source: http://www.securityfocus.com/bid/10555/info

A vulnerability exists in the Web Wiz Forums software that may allow a remote user to launch cross-site scripting attacks. The problem is reported to exist due to improper sanitizing of user-supplied data passed to the 'registration_rules.asp' script.

An attacker can exploit this issue to steal cookie authentication credentials, or perform other types of attacks.

registration_rules.asp?FID=%22%3E%3Cscript%3Ealert%28%27Vulnerable%2520%21%2
7%29%3C%2Fscript%3E