Multiple SQL injection vulnerabilities in XMB Forums 1.9.3 and earlier allow remote attackers to execute arbitrary SQL commands via the (1) $u2u_select array parameter to u2u.inc.php and (2) $val variable (fidpw0 cookie value) in today.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24646
https://docs.xmbforum2.com/index.php?title=Security_Issue_History
http://www.vupen.com/english/advisories/2006/0529
http://www.securityfocus.com/bid/16604
http://www.securityfocus.com/archive/1/425084/100/0/threaded