Ticket #8878: 8878.4.patch

wp-includes/general-template.php

@@ -1436 +1436 @@
         if ( is_single() || is_page() ) {
                 $post = &get_post( $id = 0 );
                 if ( comments_open() || pings_open() || $post->comment_count > 0 )
-                        echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . sprintf( $args['singletitle'], get_bloginfo('name'), $args['seperator'], get_the_title() ) . '" href="' . get_post_comments_feed_link( $post->ID ) . "\" />\n";
+                        echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . sprintf( $args['singletitle'], get_bloginfo('name'), $args['seperator'], wp_specialchars( get_the_title() ) ) . '" href="' . get_post_comments_feed_link( $post->ID ) . "\" />\n";
         }
 
         elseif ( is_category() ) {