SQL injection vulnerability in print.php in the myTopics module for XOOPS allows remote attackers to execute arbitrary SQL commands via the articleid parameter.
https://www.exploit-db.com/exploits/5148
https://exchange.xforce.ibmcloud.com/vulnerabilities/40627
http://www.securityfocus.com/bid/27861
http://www.securityfocus.com/archive/1/488315/100/0/threaded