Ticket #10640: 13693.diff

wp-includes/link-template.php

@@ -2154 +2154 @@
 
         $shortlink = wp_get_shortlink($post->ID);
 
-        if ( !empty($shortlink) )
-                echo "$before<a rel='shortlink' href='$shortlink' title='$title'>$text</a>$after";
+        if ( !empty( $shortlink ) ) {
+                $link = '<a rel="shortlink" href="' . esc_attr( $shortlink ) . '" title="'
+                        . esc_attr( $title ) . '">' . $text . '</a>';
+                $link = apply_filters( 'the_shortlink', $link, $shortlink, $text, $title );
+                echo $before, $link, $after;
+        }
 }
 
 ?>