Ticket #23150: 23150.1.diff

src/wp-includes/bookmark-template.php

@@ -214 +214 @@
 
         $output = '';
 
+        if ( ! is_array( $r['class'] ) ) {
+                $r['class'] = explode( ' ', $r['class'] );
+        }
+        $r['class'] = array_map( 'sanitize_html_class', $r['class'] );
+        $r['class'] = trim( join( ' ', $r['class'] ) );
+
         if ( $r['categorize'] ) {
                 $cats = get_terms( 'link_category', array(
                         'name__like' => $r['category_name'],