diff --git a/includes/common.inc b/includes/common.inc
index ff8b211..479bd23 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -1292,7 +1292,7 @@ function check_url($uri) {
  * for scripts and styles.
  */
 function filter_xss_admin($string) {
-  return filter_xss($string, array('a', 'abbr', 'acronym', 'address', 'b', 'bdo', 'big', 'blockquote', 'br', 'caption', 'cite', 'code', 'col', 'colgroup', 'dd', 'del', 'dfn', 'div', 'dl', 'dt', 'em', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hr', 'i', 'img', 'ins', 'kbd', 'li', 'ol', 'p', 'pre', 'q', 'samp', 'small', 'span', 'strong', 'sub', 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'tr', 'tt', 'ul', 'var'));
+  return filter_xss($string, array('a', 'abbr', 'acronym', 'address', 'b', 'bdo', 'big', 'blockquote', 'br', 'caption', 'cite', 'code', 'col', 'colgroup', 'dd', 'del', 'dfn', 'div', 'dl', 'dt', 'em', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hr', 'i', 'img', 'ins', 'kbd', 'li', 'ol', 'p', 'pre', 'q', 'samp', 'small', 'span', 'strong', 'sub', 'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'tr', 'tt', 'ul', 'var', 'article', 'aside', 'audio', 'canvas', 'command', 'datalist', 'details', 'figcaption', 'figure', 'footer', 'header', 'hgroup', 'keygen', 'link', 'mark', 'meter', 'nav', 'output', 'progress', 'rp', 'rt', 'ruby', 'section', 'source', 'summary', 'time', 'video', 'wbr'));
 }
 
 /**
@@ -1321,7 +1321,7 @@ function filter_xss_admin($string) {
  * @see drupal_validate_utf8()
  * @ingroup sanitization
  */
-function filter_xss($string, $allowed_tags = array('a', 'em', 'strong', 'cite', 'blockquote', 'code', 'ul', 'ol', 'li', 'dl', 'dt', 'dd')) {
+function filter_xss($string, $allowed_tags = array('a', 'em', 'strong', 'cite', 'blockquote', 'code', 'ul', 'ol', 'li', 'dl', 'dt', 'dd', 'article', 'aside', 'details', 'figcaption', 'figure', 'footer', 'header', 'hgroup', 'link', 'mark', 'meter', 'nav', 'rp', 'rt', 'ruby', 'section', 'source', 'summary', 'time', 'wbr')) {
   // Only operate on valid UTF-8 strings. This is necessary to prevent cross
   // site scripting issues on Internet Explorer 6.
   if (!drupal_validate_utf8($string)) {