The user form processing (userform.py) in MoinMoin before 1.6.3, when using ACLs or a non-empty superusers list, does not properly manage users, which allows remote attackers to gain privileges.Referenceshttp://moinmo.in/SecurityFixeshttp://security.gentoo.org/glsa/glsa-200805-09.xmlhttps://exchange.xforce.ibmcloud.com/vulnerabilities/41909http://hg.moinmo.in/moin/1.6/rev/f405012e67afhttp://www.vupen.com/english/advisories/2008/1307/referenceshttp://secunia.com/advisories/30160http://www.securityfocus.com/bid/28869http://secunia.com/advisories/29894