Multiple cross-site scripting (XSS) vulnerabilities in Falt4Extreme RC4 10.9.2007 allow remote attackers to inject arbitrary web script or HTML via the handler parameter to (1) index.php and possibly (2) admin/index.php, and (3) the topic parameter to modules/feed/feed.php (aka modules/feed.php).
https://www.exploit-db.com/exploits/4711
https://exchange.xforce.ibmcloud.com/vulnerabilities/38952
http://www.securityfocus.com/archive/1/484813/100/0/threaded
http://sourceforge.net/forum/forum.php?forum_id=762931