PHP remote file inclusion vulnerability in 0_admin/modules/Wochenkarte/frontend/index.php in DynCMS 6 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the x_admindir parameter.
https://www.exploit-db.com/exploits/2290
https://exchange.xforce.ibmcloud.com/vulnerabilities/28717
http://www.securityfocus.com/archive/1/445264/100/0/threaded