login.php in CelerBB 0.0.2, when magic_quotes_gpc is disabled, allows remote attackers to bypass authentication and obtain administrative access via special characters in the Username parameter, as demonstrated by an admin'# parameter value.Referenceshttp://www.securityfocus.com/bid/34014https://www.exploit-db.com/exploits/8161http://www.securityfocus.com/archive/1/501481/100/0/threaded