SQL injection vulnerability in lib/func_taskmanager.php in Invision Power Board (IPB) 2.1.x and 2.0.x before 20060425 allows remote attackers to execute arbitrary SQL commands via the ck parameter, which can inject at most 32 characters.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26071
http://www.vupen.com/english/advisories/2006/1534
http://www.securityfocus.com/bid/17690
http://www.securityfocus.com/archive/1/432226/100/0/threaded
http://www.securityfocus.com/archive/1/431990/100/0/threaded
http://securityreason.com/securityalert/796