Multiple PHP remote file inclusion vulnerabilities in Claroline 1.7.6 allow remote attackers to execute arbitrary PHP code via a URL in the includePath cookie to (1) auth/extauth/drivers/mambo.inc.php or (2) auth/extauth/drivers/postnuke.inc.php.
https://www.exploit-db.com/exploits/1877
https://exchange.xforce.ibmcloud.com/vulnerabilities/26909
http://www.vupen.com/english/advisories/2006/2126