Ticket #27858: 27858.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[class|src|border=0|alt|title|hspace|vspace|width|height|align|onmouseover|onmouseout|name]';
+                        }
+
                         if ( $first_run )
                                 $mceInit = array_merge( self::$first_init, $mceInit );