--- wp-includes/comment.php~ 2009-07-21 18:10:34.000000000 -0500
+++ wp-includes/comment.php 2010-12-23 08:55:05.433027996 -0600
@@ -1365,7 +1365,7 @@
trackback($tb_ping, $post_title, $excerpt, $post_id);
$pinged[] = $tb_ping;
} else {
- $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, '$tb_ping', '')) WHERE ID = %d", $post_id) );
+ $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, '')) WHERE ID = %d", $tb_ping, $post_id) );
}
}
}