PHP remote file inclusion vulnerability in lang/index.php in Oreon 1.2.3 RC4 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the file parameter.
https://www.exploit-db.com/exploits/3150
https://exchange.xforce.ibmcloud.com/vulnerabilities/31568
http://www.vupen.com/english/advisories/2007/0229
http://www.securityfocus.com/bid/22107
http://www.securityfocus.com/archive/1/459811/100/0/threaded