source: https://www.securityfocus.com/bid/15857/info

Envolution is prone to multiple input validation vulnerabilities.

Successful exploitation of these vulnerabilities could result in a compromise of the application, disclosure or modification of data, the theft of cookie-based authentication credentials. They may also permit an attacker to exploit vulnerabilities in the underlying database implementation as well as other attacks. 

http://www.example.com/[envo]/modules.php?op=modload&name=News&file=index&catid=&topic=18&startrow=[xss]

http://www.example.com/[envo]/modules.php?op=modload&name=News&file=index&catid=[xss]