Cross-site scripting (XSS) vulnerability in atl.cgi in AtlantForum 4.02 and earlier allows remote attackers to inject arbitrary web script or HTML via the (1) sch_allsubct, (2) before, and (3) ct parameters.
http://www.vupen.com/english/advisories/2005/2938
http://www.securityfocus.com/bid/15887
http://secunia.com/advisories/18096
http://pridels0.blogspot.com/2005/12/atlantforum-xss-vuln.html