SQL injection vulnerability in index.php in Classifieds Caffe allows remote attackers to execute arbitrary SQL commands via the cat_id parameter in an add action. NOTE: this issue might be site-specific.
https://www.exploit-db.com/exploits/5450
https://exchange.xforce.ibmcloud.com/vulnerabilities/42121
http://www.vupen.com/english/advisories/2008/1240/references
http://www.securityfocus.com/archive/1/490985/100/0/threaded