Cross-site scripting (XSS) vulnerability in Phpclanwebsite (aka PCW) allows remote attackers to inject arbitrary web script or HTML via a javascript URI in a BBCode img tag.
https://archive.cert.uni-stuttgart.de/bugtraq/2006/01/msg00343.html
http://www.vupen.com/english/advisories/2006/0254
http://www.securityfocus.com/bid/16300
http://www.securityfocus.com/archive/1/422265/100/0/threaded