diff --git a/core/customizer/class-core.php b/core/customizer/class-core.php
index 9de37bb..f57a579 100644
--- a/core/customizer/class-core.php
+++ b/core/customizer/class-core.php
@@ -4,7 +4,7 @@
  *
  * @package Helpful
  * @subpackage Core\Modules
- * @version 4.5.0
+ * @version 4.5.19
  * @since 4.3.0
  */
 
diff --git a/core/helpers/class-feedback.php b/core/helpers/class-feedback.php
index 3e59d82..170ecef 100644
--- a/core/helpers/class-feedback.php
+++ b/core/helpers/class-feedback.php
@@ -4,7 +4,7 @@
  *
  * @package Helpful
  * @subpackage Core\Helpers
- * @version 4.5.7
+ * @version 4.5.19
  * @since 1.0.0
  */
 
@@ -43,7 +43,7 @@ public static function get_feedback( $entry ) {
 		$feedback['time']    = sprintf(
 			/* translators: %s = time difference */
 			__( 'Submitted %s ago', 'helpful' ),
-			human_time_diff( $time, time() )
+			human_time_diff( $time, date_i18n('U') )
 		);
 
 		if ( $entry->fields ) {
diff --git a/core/modules/class-core.php b/core/modules/class-core.php
index 61cb3f8..49216c1 100644
--- a/core/modules/class-core.php
+++ b/core/modules/class-core.php
@@ -4,7 +4,7 @@
  *
  * @package Helpful
  * @subpackage Core\Modules
- * @version 4.5.7
+ * @version 4.5.19
  * @since 4.3.0
  */
 
@@ -284,8 +284,7 @@ public function editor_settings() {
 	 * @return void
 	 */
 	public function update_option_hook( $option, $old_value, $value ) {
-		$service = new Services\Options();
-
+		$service = Services\Options::get_instance();
 		$options = $service->get_defaults_array( '', true );
 
 		if ( in_array( $option, $options, true ) || strpos( $option, 'helpful_customizer' ) ) {
diff --git a/core/modules/class-frontend.php b/core/modules/class-frontend.php
index ea07388..17df7ab 100644
--- a/core/modules/class-frontend.php
+++ b/core/modules/class-frontend.php
@@ -5,7 +5,7 @@
  *
  * @package Helpful
  * @subpackage Core\Modules
- * @version 4.5.5
+ * @version 4.5.19
  * @since 4.3.0
  */
 
@@ -118,12 +118,12 @@ public function enqueue_scripts() {
 			return;
 		}
 
-		$options      = new Services\Options();
-		$customizer   = $options->get_option( 'helpful_customizer', '' );
-		$active_theme = ( is_array( $customizer ) && array_key_exists( 'theme', $customizer ) ) ? esc_attr( $customizer['theme'] ) : 'base';
+		$service = new Services\Options();
 
-		$themes = apply_filters( 'helpful_themes', array() );
-		$plugin = Helper::get_plugin_data();
+		$customizer   = $service->get_option('helpful_customizer', []);
+		$active_theme = ( is_array( $customizer ) && array_key_exists( 'theme', $customizer ) ) ? esc_attr( $customizer['theme'] ) : 'base';
+		$themes       = apply_filters( 'helpful_themes', array() );
+		$plugin       = Helper::get_plugin_data();
 
 		if ( ! empty( $themes ) ) {
 			foreach ( $themes as $theme ) {
diff --git a/core/services/class-options.php b/core/services/class-options.php
index ee79a7a..a08ab5d 100644
--- a/core/services/class-options.php
+++ b/core/services/class-options.php
@@ -5,7 +5,7 @@
  *
  * @package Helpful
  * @subpackage Core\Services
- * @version 4.5.8
+ * @version 4.5.19
  * @since 4.4.47
  */
 
@@ -30,6 +30,27 @@ class Options {
 	 */
 	private $options;
 
+	/**
+	 * Instanzholder.
+	 *
+	 * @var self
+	 */
+	private static $instance;
+
+	/**
+	 * Constructs an instance.
+	 *
+	 * @return self
+	 */
+	public static function get_instance()
+	{
+		if (!self::$instance) {
+			self::$instance = new static();
+		}
+
+		return self::$instance;
+	}
+
 	/**
 	 * Constructor
 	 */
@@ -42,7 +63,7 @@ public function __construct() {
 	 * Resave the options.
 	 */
 	public function renew_options() {
-		update_option( 'helpful_options', $this->options );
+		update_option( 'helpful_options', maybe_serialize( $this->options ) );
 	}
 
 	/**
diff --git a/core/tabs/class-feedback.php b/core/tabs/class-feedback.php
index 577135d..e4e81a9 100644
--- a/core/tabs/class-feedback.php
+++ b/core/tabs/class-feedback.php
@@ -4,7 +4,7 @@
  *
  * @package Helpful
  * @subpackage Core\Tabs
- * @version 4.5.5
+ * @version 4.5.19
  * @since 4.3.0
  */
 
@@ -231,7 +231,7 @@ public function register_tab_alerts() {
 	 * @return mixed
 	 */
 	public function sanitize_input( $value ) {
-		return wp_kses( $value, Helper::kses_allowed_tags() );
+		return esc_html( wp_kses( $value, Helper::kses_allowed_tags() ) );
 	}
 
 	/**
diff --git a/helpful.php b/helpful.php
index 39d8344..4e38304 100644
--- a/helpful.php
+++ b/helpful.php
@@ -2,7 +2,7 @@
 /**
  * Plugin Name: Helpful
  * Description: Add a fancy feedback form under your posts or post-types and ask your visitors a question. Give them the abbility to vote with yes or no.
- * Version: 4.5.18
+ * Version: 4.5.19
  * Author: Pixelbart
  * Author URI: https://pixelbart.de
  * Text Domain: helpful
diff --git a/readme.txt b/readme.txt
index 4aeceb6..c7709a9 100644
--- a/readme.txt
+++ b/readme.txt
@@ -5,7 +5,7 @@ Tags: helpful, poll, feedback, reviews, vote, review, voting
 Requires at least: 4.6
 Tested up to: 6.0
 Requires PHP: 5.6.20
-Stable tag: 4.5.18
+Stable tag: 4.5.19
 License: MIT License
 License URI: https://opensource.org/licenses/MIT