source: https://www.securityfocus.com/bid/24564/info

FuseTalk is prone to multiple cross-site scripting vulnerabilities because the application fails to sufficiently sanitize user-supplied input.

An attacker can exploit these issues to steal cookie-based authentication credentials and launch other attacks. 

http://www.example.com/forum/include/error/autherror.cfm?errorcode=1
&FTVAR_LINKP=[xss]

http://www.example.com/blog/forum/include/error/autherror.cfm?errorcode=1
&FTVAR_URLP=[xss]