source: https://www.securityfocus.com/bid/26963/info

SiteScape Forum is prone to a command-injection vulnerability because it fails to adequately sanitize user-supplied input.

Attackers can exploit this issue to execute arbitrary commands in the context of the webserver process. Successful exploits could compromise the application and possibly the underlying system.

http://www.example.com/forum/support/dispatch.cgi/0;command