source: https://www.securityfocus.com/bid/22588/info

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

An attacker can exploit this issue to execute arbitrary PHP code in the context of the webserver process.

This issue affects version 1.31; prior versions may also be affected.

http://www.example.com/cedstat/index.php?hier=%3C%68%31%3E%74%65%73%74%65%64%20%62%79%20%73%6E%30%6F%50%79%3C%2F%68%31%3E