diff --git a/main/inc/lib/formvalidator/Rule/allowed_tags.inc.php b/main/inc/lib/formvalidator/Rule/allowed_tags.inc.php
index 2ce103eff0..7a7bc196be 100644
--- a/main/inc/lib/formvalidator/Rule/allowed_tags.inc.php
+++ b/main/inc/lib/formvalidator/Rule/allowed_tags.inc.php
@@ -120,7 +120,7 @@ $allowed_tags_student['div'] =  array();
 $allowed_tags_student['div']['align'] =  array();
 $allowed_tags_student['div']['class'] =  array();
 $allowed_tags_student['div']['id'] =  array();
-$allowed_tags_student['div']['style'] =  array();
+#$allowed_tags_student['div']['style'] =  array(); //filtered out for security (see kses security report)
 // DL
 $allowed_tags_student['dl'] =  array();
 // DT
@@ -142,7 +142,7 @@ $allowed_tags_student['font'] =  array();
 $allowed_tags_student['font']['color'] =  array();
 $allowed_tags_student['font']['face'] =  array();
 $allowed_tags_student['font']['size'] =  array();
-$allowed_tags_student['font']['style'] =  array();
+//$allowed_tags_student['font']['style'] =  array(); //filtered out for security (see kses security report)
 // FORM
 $allowed_tags_student['form'] =  array();
 $allowed_tags_student['form']['action'] =  array();
@@ -341,19 +341,19 @@ $allowed_tags_student['q']['cite'] =  array();
 $allowed_tags_student['s'] =  array();
 // SPAN
 $allowed_tags_student['span'] =  array();
-$allowed_tags_student['span']['style'] =  array();
+#$allowed_tags_student['span']['style'] =  array(); //filtered out for security (see kses security report)
 // STRIKE
 $allowed_tags_student['strike'] =  array();
 // STRONG
 $allowed_tags_student['strong'] =  array();
-// STYLE
-$allowed_tags_student['style'] =  array();
-$allowed_tags_student['style']['type'] =  array();
-$allowed_tags_student['style']['media'] =  array();
+// STYLE  //filtered out for security (see kses security report)
+#$allowed_tags_student['style'] =  array();
+#$allowed_tags_student['style']['type'] =  array();
+#$allowed_tags_student['style']['media'] =  array();
 
-$allowed_tags_student_full_page['style'] =  array();
-$allowed_tags_student_full_page['style']['type'] =  array();
-$allowed_tags_student_full_page['style']['media'] =  array();
+#$allowed_tags_student_full_page['style'] =  array();
+#$allowed_tags_student_full_page['style']['type'] =  array();
+#$allowed_tags_student_full_page['style']['media'] =  array();
 // SUB
 $allowed_tags_student['sub'] =  array();
 // SUP