SQL injection vulnerability in inc/class_users.php in RevokeSoft RevokeBB 1.0 RC4 and earlier allows remote attackers to execute arbitrary SQL commands via the revokebb_user cookie.
https://www.exploit-db.com/exploits/4020
https://exchange.xforce.ibmcloud.com/vulnerabilities/34666
http://www.vupen.com/english/advisories/2007/2041
http://www.securityfocus.com/archive/1/470276/100/0/threaded