source: https://www.securityfocus.com/bid/25432/info

Arcadem is prone to a remote file-include vulnerability because it fails to sufficiently sanitize user-supplied data.

Exploiting this issue may allow an attacker to compromise the application and the underlying system; other attacks are also possible.

Arcadem 2.01 is vulnerable; other versions may also be affected. 

http://www.example.com/index.php?loadpage=[evilscript]