SQL injection vulnerability in modules/members.php in IceBB before 1.0-rc9.3 allows remote attackers to execute arbitrary SQL commands via the username parameter in a members action to index.php, related to an incorrect protection mechanism in the clean_string function in includes/functions.php.
https://www.exploit-db.com/exploits/6137
https://exchange.xforce.ibmcloud.com/vulnerabilities/44028
http://www.securityfocus.com/bid/30381
http://securityreason.com/securityalert/4094