diff --git a/Modules/TestQuestionPool/classes/class.assClozeTest.php b/Modules/TestQuestionPool/classes/class.assClozeTest.php
index 67e3a1093015..a9a89e7c2d21 100755
--- a/Modules/TestQuestionPool/classes/class.assClozeTest.php
+++ b/Modules/TestQuestionPool/classes/class.assClozeTest.php
@@ -1330,6 +1330,7 @@ public function fetchSolutionSubmit($submit)
                             } elseif ($gap->getType() == CLOZE_NUMERIC) {
                                 $value = str_replace(",", ".", $value);
                             }
+                            $value = htmlentities($value);
                             $solutionSubmit[trim($matches[1])] = $value;
                         }
                     }