Multiple SQL injection vulnerabilities in APBoard 2.2-r3 and earlier allow remote attackers to execute arbitrary SQL commands via the (1) PHPSESSID parameter in board.php and (2) viewcatmod parameter in main.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/27163
http://www.vupen.com/english/advisories/2006/2401
http://www.securityfocus.com/bid/18447
http://www.securityfocus.com/archive/1/437271/100/0/threaded