diff --git a/view/adminhtml/templates/customer/edit/tabs/mailchimp.phtml b/view/adminhtml/templates/customer/edit/tabs/mailchimp.phtml
index 2bb42a60..c63900e7 100644
--- a/view/adminhtml/templates/customer/edit/tabs/mailchimp.phtml
+++ b/view/adminhtml/templates/customer/edit/tabs/mailchimp.phtml
@@ -6,33 +6,33 @@ $interest = $block->getInterest();
 ?>
 <div class="fieldset-wrapper">
     <div class="fieldset-wrapper-title">
-        <span class="title"><?php /* @escapeNotVerified */ echo __('MailChimp Information') ?></span>
+        <span class="title"><?= $block->escapeHtml(__('MailChimp Information')) ?></span>
     </div>
     <div class="admin__fieldset-wrapper-content">
     <fieldset class="admin__fieldset">
     <?php if (count($interest)): ?>
-    <?php foreach($interest as $i): ?>
+    <?php foreach ($interest as $i): ?>
         <div class="admin__field">
-            <label class="admin__field-label" for="<?php echo $i['interest']['id'] ?>">
-                <span><?php echo $i['interest']['title'] ?></span>
+            <label class="admin__field-label" for="<?= $block->escapeHtml($i['interest']['id']) ?>">
+                <span><?= $block->escapeHtml($i['interest']['title']) ?></span>
             </label>
             <div class="admin__field-control control">
                 <div class="fields">
-                    <?php switch($i['interest']['type']):
+                    <?php switch ($i['interest']['type']):
                         case 'checkboxes': ?>
                             <ul class="admin_field_field field" style="list-style: none">
-                                <?php foreach($i['category'] as $c): ?>
+                                <?php foreach ($i['category'] as $c): ?>
                                     <li class="field no-label">
                                         <input
-                                               name="customer[interestgroup][<?php echo $i['interest']['id'] ?>][<?php echo $c['id']?>]"
+                                               name="customer[interestgroup][<?= $block->escapeHtml($i['interest']['id']) ?>][<?= $block->escapeHtml($c['id']) ?>]"
                                                type="checkbox"
                                                data-form-part="customer_form"
-                                               value="<?php echo $c['id'] ?>"
-                                               id="<?php echo 'mailchimp_group_'.$c['id'] ?>"
-                                               title="<?php echo $c['name'] ?>"
-                                            <?php if($c['checked']) { echo 'checked';} ?>
+                                               value="<?= $block->escapeHtml($c['id']) ?>"
+                                               id="<?= $block->escapeHtml('mailchimp_group_'.$c['id']) ?>"
+                                               title="<?= $block->escapeHtml($c['name']) ?>"
+                                            <?php if ($c['checked']) { echo $block->escapeHtml('checked');} ?>
                                         />
-                                        <label class="field label"><?php echo $c['name']?></label>
+                                        <label class="field label"><?= $block->escapeHtml($c['name'])?></label>
                                     </li>
                                 <?php endforeach; ?>
                             </ul>
@@ -41,12 +41,12 @@ $interest = $block->getInterest();
                             <div class="field no-label">
                                 <select class="admin_field_field field"
                                         data-form-part="customer_form"
-                                        name="customer[interestgroup][<?php echo $i['interest']['id'] ?>]"
-                                        id="<?php echo 'mailchimp_group_'.$i['interest']['id'] ?>"
-                                        title="<?php echo $i['interest']['title'] ?>">
+                                        name="customer[interestgroup][<?= $block->escapeHtml($i['interest']['id']) ?>]"
+                                        id="<?= $block->escapeHtml('mailchimp_group_'.$i['interest']['id']) ?>"
+                                        title="<?= $block->escapeHtml($i['interest']['title']) ?>">
                                     <option value=""></option>
-                                    <?php foreach($i['category'] as $c): ?>
-                                        <option value="<?php echo $c['id']?>" <?php if($c['checked']) { echo 'selected'; } ?>><?php echo $c['name'] ?></option>
+                                    <?php foreach ($i['category'] as $c): ?>
+                                        <option value="<?= $block->escapeHtml($c['id'])?>" <?php if ($c['checked']) { echo $block->escapeHtml('selected'); } ?>><?= $block->escapeHtml($c['name']) ?></option>
                                     <?php endforeach; ?>
                                 </select>
 
@@ -54,18 +54,18 @@ $interest = $block->getInterest();
                             <?php       break;
                         case 'radio': ?>
                             <ul class="admin_field_field field">
-                                <?php foreach($i['category'] as $c): ?>
+                                <?php foreach ($i['category'] as $c): ?>
                                     <li class="field no-label" style="list-style: none">
                                         <input class=""
-                                               name="customer[interestgroup][<?php echo $i['interest']['id'] ?>]"
+                                               name="customer[interestgroup][<?= $block->escapeHtml($i['interest']['id']) ?>]"
                                                type="radio"
                                                data-form-part="customer_form"
-                                               value="<?php echo $c['id'] ?>"
-                                               id="<?php echo 'mailchimp_group_'.$c['id'] ?>"
-                                               title="<?php echo $c['name'] ?>"
-                                            <?php if($c['checked']) { echo 'checked';} ?>
+                                               value="<?= $block->escapeHtml($c['id']) ?>"
+                                               id="<?= $block->escapeHtml('mailchimp_group_'.$c['id']) ?>"
+                                               title="<?= $block->escapeHtml($c['name']) ?>"
+                                            <?php if ($c['checked']) { echo $block->escapeHtml('checked');} ?>
                                         />
-                                        <label class="field label"><?php echo $c['name']?></label>
+                                        <label class="field label"><?= $block->escapeHtml($c['name'])?></label>
                                     </li>
                                 <?php endforeach; ?>
                             </ul>
@@ -77,7 +77,7 @@ $interest = $block->getInterest();
     <?php endforeach; ?>
     <?php else: ?>
         <div class="admin__field">
-            <?php echo __("No Interest groups found"); ?>
+            <?= $block->escapeHtml(__("No Interest groups found")); ?>
         </div>
     <?php endif; ?>
 </fieldset>
diff --git a/view/adminhtml/templates/system/config/cleanecommerce.phtml b/view/adminhtml/templates/system/config/cleanecommerce.phtml
index ad9afa3e..b84ae174 100644
--- a/view/adminhtml/templates/system/config/cleanecommerce.phtml
+++ b/view/adminhtml/templates/system/config/cleanecommerce.phtml
@@ -1,6 +1,6 @@
 <div class="actions actions-clean-ecommerce">
     <div id="validation_result" class="message-validation hidden"></div>
-    <button class="action-clean-ecommerce" type="button" id="<?php echo $block->getHtmlId() ?>">
-        <span><?php echo $block->escapeHtml($block->getButtonLabel()) ?></span>
+    <button class="action-clean-ecommerce" type="button" id="<?= $block->getHtmlId() ?>">
+        <span><?= $block->escapeHtml($block->getButtonLabel()) ?></span>
     </button>
 </div>
diff --git a/view/adminhtml/templates/system/config/create_abandonedcart_automation.phtml b/view/adminhtml/templates/system/config/create_abandonedcart_automation.phtml
index 291b9329..924f84c9 100644
--- a/view/adminhtml/templates/system/config/create_abandonedcart_automation.phtml
+++ b/view/adminhtml/templates/system/config/create_abandonedcart_automation.phtml
@@ -1,5 +1,5 @@
 <div class="actions actions-get-apikey">
-    <button onclick="javascript:window.open('<?php echo $this->authorizeRequestUrl() ?>', 'apiwizard','toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, ,left=100, top=100, width=800, height=600'); return false;" class="action-get-apikey" type="button" id="<?php echo $block->getHtmlId() ?>">
-        <span><?php echo $block->escapeHtml($block->getButtonLabel()) ?></span>
+    <button onclick="javascript:window.open('<?= $block->escapeUrl($block->authorizeRequestUrl()) ?>', 'apiwizard','toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, ,left=100, top=100, width=800, height=600'); return false;" class="action-get-apikey" type="button" id="<?= $block->getHtmlId() ?>">
+        <span><?= $block->escapeHtml($block->getButtonLabel()) ?></span>
     </button>
-</div> 
\ No newline at end of file
+</div>
diff --git a/view/adminhtml/templates/system/config/createwebhook.phtml b/view/adminhtml/templates/system/config/createwebhook.phtml
index 6fa287f7..6093084f 100644
--- a/view/adminhtml/templates/system/config/createwebhook.phtml
+++ b/view/adminhtml/templates/system/config/createwebhook.phtml
@@ -1,6 +1,6 @@
 <div class="actions actions-create-webhook">
     <div id="validation_result" class="message-validation hidden"></div>
-    <button class="action-create-webhook" type="button" id="<?php echo $block->getHtmlId() ?>">
-        <span><?php echo $block->escapeHtml($block->getButtonLabel()) ?></span>
+    <button class="action-create-webhook" type="button" id="<?= $block->getHtmlId() ?>">
+        <span><?= $block->escapeHtml($block->getButtonLabel()) ?></span>
     </button>
 </div>
diff --git a/view/adminhtml/templates/system/config/deletestore.phtml b/view/adminhtml/templates/system/config/deletestore.phtml
index eff2e258..834782ae 100644
--- a/view/adminhtml/templates/system/config/deletestore.phtml
+++ b/view/adminhtml/templates/system/config/deletestore.phtml
@@ -2,7 +2,7 @@
 </div>
 <div class="actions actions-delete-store">
     <div id="validation_result" class="message-validation hidden"></div>
-    <button onclick="mailchimpdeleteconfirmation('<?php echo $this->getAjaxCheckUrl() ?>')" class="action-delete-store" type="button" id="<?php echo $block->getHtmlId() ?>">
-        <span><?php echo $block->escapeHtml($block->getButtonLabel()) ?></span>
+    <button onclick="mailchimpdeleteconfirmation('<?= $block->escapeHtml($block->getAjaxCheckUrl()) ?>')" class="action-delete-store" type="button" id="<?= $block->getHtmlId() ?>">
+        <span><?= $block->escapeHtml($block->getButtonLabel()) ?></span>
     </button>
 </div>
diff --git a/view/adminhtml/templates/system/config/fieldset/hint.phtml b/view/adminhtml/templates/system/config/fieldset/hint.phtml
index 3b036620..14660330 100644
--- a/view/adminhtml/templates/system/config/fieldset/hint.phtml
+++ b/view/adminhtml/templates/system/config/fieldset/hint.phtml
@@ -11,30 +11,30 @@
 ?>
 <div id="configmonkey_apikey" class="admin__page-section-item" style="display:none;"
      data-mage-init='{"configmonkeyapikey":{
-     "storeUrl": "<?php echo $this->getUrl('mailchimp/stores/get');?>",
-     "detailsUrl": "<?php echo $this->getUrl('mailchimp/ecommerce/getaccountdetails');?>",
-     "storeGridUrl": "<?php echo $this->getUrl('mailchimp/stores/index');?>",
-     "createWebhookUrl": "<?php echo $this->getUrl('mailchimp/ecommerce/createWebhook');?>",
-     "getInterestUrl": "<?php echo $this->getUrl('mailchimp/ecommerce/getInterest');?>",
-     "resyncSubscribersUrl": "<?php echo $this->getUrl('mailchimp/ecommerce/resyncSubscribers');?>",
-     "resyncProductsUrl": "<?php echo $this->getUrl('mailchimp/ecommerce/resyncProducts');?>",
-     "cleanEcommerceUrl": "<?php echo $this->getUrl('mailchimp/ecommerce/cleanEcommerce');?>",
-     "checkEcommerceUrl": "<?php echo $this->getUrl('mailchimp/ecommerce/checkEcommerce');?>",
-     "fixMailchimpjsUrl": "<?php echo $this->getUrl('mailchimp/ecommerce/fixMailchimpJS');?>",
-     "scope": "<?php echo $this->getScope();?>",
-     "scopeId": "<?php echo $this->getScopeId(); ?>"
+     "storeUrl": "<?= $block->escapeUrl($block->getUrl('mailchimp/stores/get'));?>",
+     "detailsUrl": "<?= $block->escapeUrl($block->getUrl('mailchimp/ecommerce/getaccountdetails'));?>",
+     "storeGridUrl": "<?= $block->escapeUrl($block->getUrl('mailchimp/stores/index'));?>",
+     "createWebhookUrl": "<?= $block->escapeUrl($block->getUrl('mailchimp/ecommerce/createWebhook'));?>",
+     "getInterestUrl": "<?= $block->escapeUrl($block->getUrl('mailchimp/ecommerce/getInterest'));?>",
+     "resyncSubscribersUrl": "<?= $block->escapeUrl($block->getUrl('mailchimp/ecommerce/resyncSubscribers'));?>",
+     "resyncProductsUrl": "<?= $block->escapeUrl($block->getUrl('mailchimp/ecommerce/resyncProducts'));?>",
+     "cleanEcommerceUrl": "<?= $block->escapeUrl($block->getUrl('mailchimp/ecommerce/cleanEcommerce'));?>",
+     "checkEcommerceUrl": "<?= $block->escapeUrl($block->getUrl('mailchimp/ecommerce/checkEcommerce'));?>",
+     "fixMailchimpjsUrl": "<?= $block->escapeUrl($block->getUrl('mailchimp/ecommerce/fixMailchimpJS'));?>",
+     "scope": "<?= $block->escapeHtml($block->getScope());?>",
+     "scopeId": "<?= $block->escapeHtml($block->getScopeId()); ?>"
     }}'>
 </div>
 <div style="background:#EAF0EE;border:1px solid #CCCCCC;margin-bottom:10px;padding:11px 0 0 10px;">
     <h4>
         <img width="224px" style="padding-left: 15px;" height="60px" src="https://ebizmarts-website.s3.amazonaws.com/Logo_Ebizmarts.png"/><br><br>
         <div style="padding-left: 15px;">
-            <p> <strong style="color:#EA7601;"><?php echo __('Mailchimp v') ?><?php echo $this->getModuleVersion() ?><?php echo __(' by') ?></strong> <a target="_blank" href="http://ebizmarts.com"><strong>ebizmarts</strong></a></p>
-            <p><?php echo __('Need help? See our ') ?><a href="https://github.com/mailchimp/mc-magento2/wiki" target="_blank"><?php echo __('Wiki') ?></a><?php echo __(' Got feedback? ') ?><a href="mailto:mailchimp@ebizmarts-desk.zendesk.com?Subject=MailChimp For Magento Version <?php echo $this->getModuleVersion()?>"><?php echo __('Email us') ?></a></p>
-            <p><?php echo __('You can find more extension in our ') ?><a href="http://store.ebizmarts.com" target="_blank"><?php echo __('Store') ?></a></p>
-            <?php if (!$this->getHasApiKey() ) : ?>
+            <p> <strong style="color:#EA7601;"><?= $block->escapeHtml(__('Mailchimp v')) ?><?= $block->escapeHtml($block->getModuleVersion()) ?><?= $block->escapeHtml(__(' by')) ?></strong> <a target="_blank" href="http://ebizmarts.com"><strong>ebizmarts</strong></a></p>
+            <p><?= $block->escapeHtml(__('Need help? See our ')) ?><a href="https://github.com/mailchimp/mc-magento2/wiki" target="_blank"><?= $block->escapeHtml(__('Wiki')) ?></a><?= $block->escapeHtml(__(' Got feedback? ')) ?><a href="mailto:mailchimp@ebizmarts-desk.zendesk.com?Subject=MailChimp For Magento Version <?= $block->escapeHtml($block->getModuleVersion())?>"><?= $block->escapeHtml(__('Email us')) ?></a></p>
+            <p><?= $block->escapeHtml(__('You can find more extension in our ')) ?><a href="http://store.ebizmarts.com" target="_blank"><?= $block->escapeHtml(__('Store')) ?></a></p>
+            <?php if (!$block->getHasApiKey()): ?>
                 <p><a style="padding-top: 5px;padding-bottom:5px;padding-left: 30px;padding-right: 30px;background-color:#D75F07 ;color:white;font-weight: bold" href="https://bit.ly/2KpDH5C" target="_blank">Support Mailchimp4Magento, Subscribe for a free Mailchimp Account!</a> </p>
             <?php endif; ?>
         </div>
     </h4>
-</div>
\ No newline at end of file
+</div>
diff --git a/view/adminhtml/templates/system/config/fixmailchimpjs.phtml b/view/adminhtml/templates/system/config/fixmailchimpjs.phtml
index 138bca49..c2fb6900 100644
--- a/view/adminhtml/templates/system/config/fixmailchimpjs.phtml
+++ b/view/adminhtml/templates/system/config/fixmailchimpjs.phtml
@@ -1,6 +1,6 @@
 <div class="actions actions-fix-mailchimp-js">
     <div id="validation_result" class="message-validation hidden"></div>
-    <button class="action-fix-mailchimp-js" type="button" id="<?php echo $block->getHtmlId() ?>">
-        <span><?php echo $block->escapeHtml($block->getButtonLabel()) ?></span>
+    <button class="action-fix-mailchimp-js" type="button" id="<?= $block->getHtmlId() ?>">
+        <span><?= $block->escapeHtml($block->getButtonLabel()) ?></span>
     </button>
 </div>
diff --git a/view/adminhtml/templates/system/config/js.phtml b/view/adminhtml/templates/system/config/js.phtml
index f52bbfde..b918bf37 100644
--- a/view/adminhtml/templates/system/config/js.phtml
+++ b/view/adminhtml/templates/system/config/js.phtml
@@ -1,3 +1,3 @@
 <div id="monkey_apikey" class="admin__page-section-item" style="display:none;"
-     data-mage-init='{"monkeyapikey":{"apikeyUrl": "<?php echo $this->getUrl('mailchimp/lists/get');?>"}}'>
-</div>
\ No newline at end of file
+     data-mage-init='{"monkeyapikey":{"apikeyUrl": "<?= $block->escapeUrl($block->getUrl('mailchimp/lists/get'));?>"}}'>
+</div>
diff --git a/view/adminhtml/templates/system/config/oauth_wizard.phtml b/view/adminhtml/templates/system/config/oauth_wizard.phtml
index 2cc836af..4e16160e 100644
--- a/view/adminhtml/templates/system/config/oauth_wizard.phtml
+++ b/view/adminhtml/templates/system/config/oauth_wizard.phtml
@@ -1,6 +1,6 @@
 <div class="actions actions-get-apikey">
     <div id="validation_result" class="message-validation hidden"></div>
-    <button onclick="javascript:window.open('<?php echo $this->authorizeRequestUrl() ?>', 'apiwizard','toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, ,left=100, top=100, width=500, height=700'); return false;" class="action-get-apikey" type="button" id="<?php echo $block->getHtmlId() ?>">
-        <span><?php echo $block->escapeHtml($block->getButtonLabel()) ?></span>
+    <button onclick="javascript:window.open('<?= $block->escapeUrl($block->authorizeRequestUrl()) ?>', 'apiwizard','toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, ,left=100, top=100, width=500, height=700'); return false;" class="action-get-apikey" type="button" id="<?= $block->getHtmlId() ?>">
+        <span><?= $block->escapeHtml($block->getButtonLabel()) ?></span>
     </button>
-</div>
\ No newline at end of file
+</div>
diff --git a/view/adminhtml/templates/system/config/reseterrors.phtml b/view/adminhtml/templates/system/config/reseterrors.phtml
index 1e75939b..b23ff24b 100644
--- a/view/adminhtml/templates/system/config/reseterrors.phtml
+++ b/view/adminhtml/templates/system/config/reseterrors.phtml
@@ -2,7 +2,7 @@
 </div>
 <div class="actions actions-reset-errors">
     <div id="validation_result" class="message-validation hidden"></div>
-    <button onclick="mailchimpdeleteconfirmation('<?php echo $this->getAjaxCheckUrl() ?>')" class="action-reset-errors" type="button" id="<?php echo $block->getHtmlId() ?>">
-        <span><?php echo $block->escapeHtml($block->getButtonLabel()) ?></span>
+    <button onclick="mailchimpdeleteconfirmation('<?= $block->escapeUrl($block->getAjaxCheckUrl()) ?>')" class="action-reset-errors" type="button" id="<?= $block->getHtmlId() ?>">
+        <span><?= $block->escapeHtml($block->getButtonLabel()) ?></span>
     </button>
 </div>
diff --git a/view/adminhtml/templates/system/config/reseterrorsnoretry.phtml b/view/adminhtml/templates/system/config/reseterrorsnoretry.phtml
index 1e75939b..b23ff24b 100644
--- a/view/adminhtml/templates/system/config/reseterrorsnoretry.phtml
+++ b/view/adminhtml/templates/system/config/reseterrorsnoretry.phtml
@@ -2,7 +2,7 @@
 </div>
 <div class="actions actions-reset-errors">
     <div id="validation_result" class="message-validation hidden"></div>
-    <button onclick="mailchimpdeleteconfirmation('<?php echo $this->getAjaxCheckUrl() ?>')" class="action-reset-errors" type="button" id="<?php echo $block->getHtmlId() ?>">
-        <span><?php echo $block->escapeHtml($block->getButtonLabel()) ?></span>
+    <button onclick="mailchimpdeleteconfirmation('<?= $block->escapeUrl($block->getAjaxCheckUrl()) ?>')" class="action-reset-errors" type="button" id="<?= $block->getHtmlId() ?>">
+        <span><?= $block->escapeHtml($block->getButtonLabel()) ?></span>
     </button>
 </div>
diff --git a/view/adminhtml/templates/system/config/resetstore.phtml b/view/adminhtml/templates/system/config/resetstore.phtml
index 2988d46c..f331163e 100644
--- a/view/adminhtml/templates/system/config/resetstore.phtml
+++ b/view/adminhtml/templates/system/config/resetstore.phtml
@@ -1,8 +1,8 @@
-<script type="text/javascript">
+<script>
     //<![CDATA[
     function resetStore() {
         jQuery.ajax({
-            url: '<?php echo $this->getAjaxCheckUrl() ?>',
+            url: '<?= $block->escapeUrl($block->getAjaxCheckUrl()) ?>',
             data: {form_key: window.FORM_KEY},
             type: 'POST',
             success: function(data){
@@ -26,7 +26,7 @@
 
 <div class="actions actions-reset-store">
     <div id="validation_result" class="message-validation hidden"></div>
-    <button onclick="javascript:resetStore(); return false;" class="action-reset-store" type="button" id="<?php echo $block->getHtmlId() ?>">
-        <span><?php echo $block->escapeHtml($block->getButtonLabel()) ?></span>
+    <button onclick="javascript:resetStore(); return false;" class="action-reset-store" type="button" id="<?= $block->getHtmlId() ?>">
+        <span><?= $block->escapeHtml($block->getButtonLabel()) ?></span>
     </button>
 </div>
diff --git a/view/adminhtml/templates/system/config/resyncproducts.phtml b/view/adminhtml/templates/system/config/resyncproducts.phtml
index e2e5c3c1..b0eb6d94 100644
--- a/view/adminhtml/templates/system/config/resyncproducts.phtml
+++ b/view/adminhtml/templates/system/config/resyncproducts.phtml
@@ -1,6 +1,6 @@
 <div class="actions actions-resync-products">
     <div id="validation_result" class="message-validation hidden"></div>
-    <button class="action-resync-products" type="button" id="<?php echo $block->getHtmlId() ?>">
-        <span><?php echo $block->escapeHtml($block->getButtonLabel()) ?></span>
+    <button class="action-resync-products" type="button" id="<?= $block->getHtmlId() ?>">
+        <span><?= $block->escapeHtml($block->getButtonLabel()) ?></span>
     </button>
 </div>
diff --git a/view/adminhtml/templates/system/config/resyncsubscriber.phtml b/view/adminhtml/templates/system/config/resyncsubscriber.phtml
index a381466c..97f6b788 100644
--- a/view/adminhtml/templates/system/config/resyncsubscriber.phtml
+++ b/view/adminhtml/templates/system/config/resyncsubscriber.phtml
@@ -1,6 +1,6 @@
 <div class="actions actions-resync-customer">
     <div id="validation_result" class="message-validation hidden"></div>
-    <button class="action-resync-subscribers" type="button" id="<?php echo $block->getHtmlId() ?>">
-        <span><?php echo $block->escapeHtml($block->getButtonLabel()) ?></span>
+    <button class="action-resync-subscribers" type="button" id="<?= $block->getHtmlId() ?>">
+        <span><?= $block->escapeHtml($block->getButtonLabel()) ?></span>
     </button>
 </div>
diff --git a/view/adminhtml/templates/tab/view.phtml b/view/adminhtml/templates/tab/view.phtml
index acf72a05..85cfafa5 100644
--- a/view/adminhtml/templates/tab/view.phtml
+++ b/view/adminhtml/templates/tab/view.phtml
@@ -1,3 +1,4 @@
 <?php
 /** @var $block \Ebizmarts\MailChimp\Block\Adminhtml\Customer\Edit\Tabs\Mailchimp */
-echo $block->getChildHtml();
+?>
+<?= $block->getChildHtml(); ?>
diff --git a/view/frontend/templates/catcher.phtml b/view/frontend/templates/catcher.phtml
index e8e699eb..93aa1962 100644
--- a/view/frontend/templates/catcher.phtml
+++ b/view/frontend/templates/catcher.phtml
@@ -1,3 +1,3 @@
 <div id="monkey_campaign" style="display:none;"
-     data-mage-init='{"campaigncatcher":{"checkCampaignUrl": "<?php echo $this->getUrl('mailchimp/campaign/check');?>"}}'>
-</div>
\ No newline at end of file
+     data-mage-init='{"campaigncatcher":{"checkCampaignUrl": "<?= $block->escapeUrl($block->getUrl('mailchimp/campaign/check'));?>"}}'>
+</div>
diff --git a/view/frontend/templates/checkout/order/success.phtml b/view/frontend/templates/checkout/order/success.phtml
index abf0b0b9..613d0d94 100644
--- a/view/frontend/templates/checkout/order/success.phtml
+++ b/view/frontend/templates/checkout/order/success.phtml
@@ -6,30 +6,30 @@ $interest = $block->getInterest();
 //echo $interest;
 ?>
 <p>
-    <?php echo $block->getMessageBefore() ?>
-<form class="form" action="<?php echo $block->getFormUrl() ?>" method="get" id="mailchimp-groups">
+    <?= $block->escapeHtml($block->getMessageBefore()) ?>
+<form class="form" action="<?= $block->escapeUrl($block->getFormUrl()) ?>" method="get" id="mailchimp-groups">
     <fieldset class="fieldset">
-            <?php foreach($interest as $i): ?>
+            <?php foreach ($interest as $i): ?>
                 <div class="field">
-                    <label class="label" for="<?php echo $i['interest']['id'] ?>">
-                        <span><?php echo $i['interest']['title'] ?></span>
+                    <label class="label" for="<?= $block->escapeHtml($i['interest']['id']) ?>">
+                        <span><?= $block->escapeHtml($i['interest']['title']) ?></span>
                     </label>
                     <div class="control">
                         <div class="fields">
-                            <?php switch($i['interest']['type']):
+                            <?php switch ($i['interest']['type']):
                                 case 'checkboxes': ?>
                                     <ul class="field" style="list-style: none">
-                                    <?php foreach($i['category'] as $c): ?>
+                                    <?php foreach ($i['category'] as $c): ?>
                                         <li class="field no-label">
                                             <input class=""
-                                                   name="group[<?php echo $i['interest']['id'] ?>][<?php echo $c['id']?>]"
+                                                   name="group[<?=  $block->escapeHtml($i['interest']['id']) ?>][<?= $block->escapeHtml($c['id']) ?>]"
                                                    type="checkbox"
-                                                   value="<?php echo $c['id'] ?>"
-                                                   id="<?php echo 'mailchimp_group_'.$c['id'] ?>"
-                                                   title="<?php echo $c['name'] ?>"
-                                                   <?php if($c['checked']) { echo 'checked';} ?>
+                                                   value="<?= $block->escapeHtml($c['id']) ?>"
+                                                   id="<?= $block->escapeHtml('mailchimp_group_'.$c['id']) ?>"
+                                                   title="<?= $block->escapeHtml($c['name']) ?>"
+                                                   <?php if ($c['checked']) { echo $block->escapeHtml('checked');} ?>
                                             />
-                                            <label class="field label"><?php echo $c['name']?></label>
+                                            <label class="field label"><?= $block->escapeHtml($c['name']) ?></label>
                                         </li>
                                     <?php endforeach; ?>
                                     </ul>
@@ -37,12 +37,12 @@ $interest = $block->getInterest();
                                 case 'dropdown': ?>
                                     <div class="field no-label">
                                         <select class="field"
-                                                name="group[<?php echo $i['interest']['id'] ?>]"
-                                                id="<?php echo 'mailchimp_group_'.$i['interest']['id'] ?>"
-                                                title="<?php echo $i['interest']['title'] ?>">
+                                                name="group[<?= $block->escapeHtml($i['interest']['id']) ?>]"
+                                                id="<?= $block->escapeHtml('mailchimp_group_'.$i['interest']['id']) ?>"
+                                                title="<?= $block->escapeHtml($i['interest']['title']) ?>">
                                             <option value=""></option>
-                                            <?php foreach($i['category'] as $c): ?>
-                                                <option value="<?php echo $c['id']?>" <?php if($c['checked']) { echo 'selected'; } ?>><?php echo $c['name'] ?></option>
+                                            <?php foreach ($i['category'] as $c): ?>
+                                                <option value="<?= $block->escapeHtml($c['id'])?>" <?php if ($c['checked']) { echo $block->escapeHtml('selected'); } ?>><?= $block->escapeHtml($c['name']) ?></option>
                                             <?php endforeach; ?>
                                         </select>
 
@@ -50,17 +50,17 @@ $interest = $block->getInterest();
                                 <?php       break;
                                 case 'radio': ?>
                                     <ul class="field">
-                                        <?php foreach($i['category'] as $c): ?>
+                                        <?php foreach ($i['category'] as $c): ?>
                                             <li class="field no-label" style="list-style: none">
                                                 <input class=""
-                                                       name="group[<?php echo $i['interest']['id'] ?>]"
+                                                       name="group[<?= $block->escapeHtml($i['interest']['id']) ?>]"
                                                        type="radio"
-                                                       value="<?php echo $c['id'] ?>"
-                                                       id="<?php echo 'mailchimp_group_'.$c['id'] ?>"
-                                                       title="<?php echo $c['name'] ?>"
-                                                    <?php if($c['checked']) { echo 'checked';} ?>
+                                                       value="<?= $block->escapeHtml($c['id']) ?>"
+                                                       id="<?= $block->escapeHtml('mailchimp_group_'.$c['id']) ?>"
+                                                       title="<?= $block->escapeHtml($c['name']) ?>"
+                                                    <?php if ($c['checked']) { echo $block->escapeHtml('checked');} ?>
                                                 />
-                                                <label class="field label"><?php echo $c['name']?></label>
+                                                <label class="field label"><?= $block->escapeHtml($c['name'])?></label>
                                             </li>
                                         <?php endforeach; ?>
                                     </ul>
@@ -75,12 +75,12 @@ $interest = $block->getInterest();
         <div class="primary">
             <button type="submit"
                     class="action primary"
-                    title="<?php echo $block->escapeHtml(__('Subscribe to more detailed newsletters')) ?>">
-                <span><?php /* @escapeNotVerified */ echo __('Subscribe to more detailed newsletters') ?></span>
+                    title="<?= $block->escapeHtml(__('Subscribe to more detailed newsletters')) ?>">
+                <span><?= $block->escapeHtml( __('Subscribe to more detailed newsletters')) ?></span>
             </button>
         </div>
     </div>
 </form>
-<?php echo $block->getMessageAfter() ?>
+<?= $block->escapeHtml($block->getMessageAfter()) ?>
 
 </p>
diff --git a/view/frontend/templates/footer.phtml b/view/frontend/templates/footer.phtml
index 68e1ef62..5c241c8b 100644
--- a/view/frontend/templates/footer.phtml
+++ b/view/frontend/templates/footer.phtml
@@ -18,7 +18,7 @@
         'use strict';
 
         $("#mailchimp-subscribe").popupWindow({
-            "windowURL": "<?php echo $block->getPopupUrl(); ?>",
+            "windowURL": "<?= $block->escapeUrl($block->getPopupUrl()); ?>",
             "windowName": "Subscribe",
             "width": 800,
             "height": 800,
@@ -28,4 +28,4 @@
             "scrollbars": 1
         });
     });
-</script>
\ No newline at end of file
+</script>
diff --git a/view/frontend/templates/form/newsletter.phtml b/view/frontend/templates/form/newsletter.phtml
index e2c618bd..420d29f8 100644
--- a/view/frontend/templates/form/newsletter.phtml
+++ b/view/frontend/templates/form/newsletter.phtml
@@ -7,25 +7,25 @@ $interest = $block->getInterest();
     <fieldset class="fieldset">
         <?php foreach($interest as $i): ?>
             <div class="field">
-                <label class="label" for="<?php echo $i['interest']['id'] ?>">
-                    <span><?php echo $i['interest']['title'] ?></span>
+                <label class="label" for="<?= $block->escapeHtml($i['interest']['id']) ?>">
+                    <span><?= $block->escapeHtml($i['interest']['title']) ?></span>
                 </label>
                 <div class="control">
                     <div class="fields">
-                        <?php switch($i['interest']['type']):
+                        <?php switch ($i['interest']['type']):
                             case 'checkboxes': ?>
                                 <ul class="field" style="list-style: none">
-                                    <?php foreach($i['category'] as $c): ?>
+                                    <?php foreach ($i['category'] as $c): ?>
                                         <li class="field no-label">
                                             <input class=""
-                                                   name="group[<?php echo $i['interest']['id'] ?>][<?php echo $c['id']?>]"
+                                                   name="group[<?= $block->escapeHtml($i['interest']['id']) ?>][<?= $block->escapeHtml($c['id'])?>]"
                                                    type="checkbox"
-                                                   value="<?php echo $c['id'] ?>"
-                                                   id="<?php echo 'mailchimp_group_'.$c['id'] ?>"
-                                                   title="<?php echo $c['name'] ?>"
-                                                <?php if($c['checked']) { echo 'checked';} ?>
+                                                   value="<?= $block->escapeHtml($c['id']) ?>"
+                                                   id="<?= $block->escapeHtml('mailchimp_group_'.$c['id']) ?>"
+                                                   title="<?= $block->escapeHtml($c['name']) ?>"
+                                                <?php if ($c['checked']) { echo $block->escapeHtml('checked');} ?>
                                             />
-                                            <label class="field label"><?php echo $c['name']?></label>
+                                            <label class="field label"><?= $block->escapeHtml($c['name'])?></label>
                                         </li>
                                     <?php endforeach; ?>
                                 </ul>
@@ -33,12 +33,12 @@ $interest = $block->getInterest();
                             case 'dropdown': ?>
                                 <div class="field no-label">
                                     <select class="field"
-                                            name="group[<?php echo $i['interest']['id'] ?>]"
-                                            id="<?php echo 'mailchimp_group_'.$i['interest']['id'] ?>"
-                                            title="<?php echo $i['interest']['title'] ?>">
+                                            name="group[<?= $block->escapeHtml($i['interest']['id']) ?>]"
+                                            id="<?= $block->escapeHtml('mailchimp_group_'.$i['interest']['id']) ?>"
+                                            title="<?= $block->escapeHtml($i['interest']['title']) ?>">
                                         <option value=""></option>
-                                        <?php foreach($i['category'] as $c): ?>
-                                            <option value="<?php echo $c['id']?>" <?php if($c['checked']) { echo 'selected'; } ?>><?php echo $c['name'] ?></option>
+                                        <?php foreach ($i['category'] as $c): ?>
+                                            <option value="<?= $block->escapeHtml($c['id']) ?>" <?php if ($c['checked']) { echo $block->escapeHtml('selected'); } ?>><?= $block->escapeHtml($c['name']) ?></option>
                                         <?php endforeach; ?>
                                     </select>
 
@@ -46,17 +46,17 @@ $interest = $block->getInterest();
                                 <?php       break;
                             case 'radio': ?>
                                 <ul class="field">
-                                    <?php foreach($i['category'] as $c): ?>
+                                    <?php foreach ($i['category'] as $c): ?>
                                         <li class="field no-label" style="list-style: none">
                                             <input class=""
-                                                   name="group[<?php echo $i['interest']['id'] ?>]"
+                                                   name="group[<?= $block->escapeHtml($i['interest']['id']) ?>]"
                                                    type="radio"
-                                                   value="<?php echo $c['id'] ?>"
-                                                   id="<?php echo 'mailchimp_group_'.$c['id'] ?>"
-                                                   title="<?php echo $c['name'] ?>"
-                                                <?php if($c['checked']) { echo 'checked';} ?>
+                                                   value="<?= $block->escapeHtml($c['id']) ?>"
+                                                   id="<?= $block->escapeHtml('mailchimp_group_'.$c['id']) ?>"
+                                                   title="<?= $block->escapeHtml($c['name']) ?>"
+                                                <?php if ($c['checked']) { echo $block->escapeHtml('checked');} ?>
                                             />
-                                            <label class="field label"><?php echo $c['name']?></label>
+                                            <label class="field label"><?= $block->escapeHtml($c['name'])?></label>
                                         </li>
                                     <?php endforeach; ?>
                                 </ul>
diff --git a/view/frontend/templates/mailchimpjs.phtml b/view/frontend/templates/mailchimpjs.phtml
index bfe9e863..3e14ea1f 100644
--- a/view/frontend/templates/mailchimpjs.phtml
+++ b/view/frontend/templates/mailchimpjs.phtml
@@ -1,4 +1,4 @@
 <?php
-$url = $this->getJsUrl();
+    $url = $block->getJsUrl();
 ?>
-<script type="text/javascript" src="<?php echo $url;?>" defer></script>
+<script" src="<?= $block->escapeHtml($url);?>" defer></script>