Ticket #27858: 27858-2.diff

src/wp-includes/class-wp-editor.php

@@ -646 +646 @@
                                 'body_class' => $body_class
                         );
 
+                        if( current_user_can( 'unfiltered_html' ) ) {
+                                $mceInit['extended_valid_elements'] = 'img[id|accesskey|class|dir|lang|style|tabindex|title|contenteditable|contextmenu|draggable|dropzone|hidden|spellcheck|translate|src|alt=|usemap|ismap|width|height|name|longdesc|align|border|hspace|vspace|crossorigin|onmouseover|onmouseout]';
+                        }
+
                         if ( $first_run )
                                 $mceInit = array_merge( self::$first_init, $mceInit );