SQL injection vulnerability in index.php in MTCMS 2.0 and possibly earlier versions allows remote attackers to execute arbitrary SQL commands via the (1) a or (2) cid parameter.
https://www.exploit-db.com/exploits/4882
https://exchange.xforce.ibmcloud.com/vulnerabilities/39597
http://www.securityfocus.com/archive/1/486090/100/0/threaded