aff_liste_langue.php in E-theni allows remote attackers to execute arbitrary PHP code by modifying the rep_include parameter to reference a URL on a remote web server that contains para_langue.php.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2003-1246
http://www.securityfocus.com/bid/6970
http://www.securityfocus.com/archive/1/305381
http://www.iss.net/security_center/static/11013.php
http://archives.neohapsis.com/archives/vulnwatch/2003-q1/0009.html