source: https://www.securityfocus.com/bid/6244/info everal cross site scripting vulnerabilities have been reported for PHP-Nuke. An attacker may exploit this vulnerability by enticing a victim user to follow a malicious link. Attacker-supplied HTML and script code may be executed on a web client in the context of the site hosting the web-based forum. Attackers may potentially exploit this issue to manipulate web content or to steal cookie-based authentication credentials. It may be possible to take arbitrary actions as the victim user.