Session fixation vulnerability in Social ImpressCMS before 1.1.1 RC1 allows remote attackers to hijack web sessions by setting the PHPSESSID parameter.Referenceshttp://secunia.com/advisories/32985http://sourceforge.net/forum/forum.php?forum_id=893767http://osvdb.org/50413http://wiki.impresscms.org/index.php?title=Change_Log#2008-12-2_:_1.1.1_RChttps://exchange.xforce.ibmcloud.com/vulnerabilities/46989http://www.securityfocus.com/bid/32495http://www.securityfocus.com/archive/1/498885/100/0/threadedhttp://www.securityfocus.com/archive/1/498734/100/0/threaded