Multiple directory traversal vulnerabilities in Module/Galerie.php in XCMS 1.1 allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in the (1) Ent or (2) Lang parameter.
https://www.exploit-db.com/exploits/4131
https://exchange.xforce.ibmcloud.com/vulnerabilities/35191
http://www.vupen.com/english/advisories/2007/2409