diff --git a/app/Views/attributes/form.php b/app/Views/attributes/form.php
index 8e216af8e..46afb3d23 100644
--- a/app/Views/attributes/form.php
+++ b/app/Views/attributes/form.php
@@ -192,7 +192,7 @@
                 }
             }
 
-            $('#definition_list_group').append('<li class="list-group-item">' + value + '<a href="javascript:void(0);"><span class="glyphicon glyphicon-trash pull-right"></span></a></li>')
+            $('#definition_list_group').append('<li class="list-group-item">' + DOMPurify.sanitize(value) + '<a href="javascript:void(0);"><span class="glyphicon glyphicon-trash pull-right"></span></a></li>')
                 .find(':last-child a').click(remove_attribute_value);
             $('#definition_value').val('');
         };