user.php in NextBBS 0.6 allows remote attackers to bypass authentication and gain administrator access by setting the userkey cookie to 1.Referenceshttp://www.openwall.com/lists/oss-security/2012/03/30/2http://www.osvdb.org/80626http://www.securityfocus.com/bid/52728http://archives.neohapsis.com/archives/bugtraq/2012-03/0135.htmlhttp://www.waraxe.us/advisory-80.htmlhttp://packetstormsecurity.org/files/111250/NextBBS-0.6.0-Authentication-Bypass-SQL-Injection-XSS.htmlhttp://www.openwall.com/lists/oss-security/2012/03/29/8