Cross-site request forgery (CSRF) vulnerability in the login interface in MediaWiki 1.15 before 1.15.4 and 1.16 before 1.16 beta 3 allows remote attackers to hijack the authentication of users for requests that (1) create accounts or (2) reset passwords, related to the Special:Userlogin form.
https://bugzilla.wikimedia.org/show_bug.cgi?id=23371
http://lists.wikimedia.org/pipermail/mediawiki-announce/2010-May/000091.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/043856.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/043803.html