SQL injection vulnerability in the downloads module in Koobi Pro 5.7 allows remote attackers to execute arbitrary SQL commands via the categ parameter to index.php. NOTE: it was later reported that this also affects Koobi CMS 4.2.4, 4.2.5, and 4.3.0.
https://www.exploit-db.com/exploits/5447
https://www.exploit-db.com/exploits/5198
https://exchange.xforce.ibmcloud.com/vulnerabilities/40903
http://www.securityfocus.com/archive/1/490886/100/0/threaded