Cross-site request forgery (CSRF) vulnerability in Special:Upload in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote attackers to hijack the authentication of unspecified victims for requests that upload files.
lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000109.html
lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000110.html
osvdb.org/80364
secunia.com/advisories/48504
www.openwall.com/lists/oss-security/2012/03/22/9
www.openwall.com/lists/oss-security/2012/03/24/1
www.securityfocus.com/bid/52689
bugzilla.wikimedia.org/show_bug.cgi?id=35317
exchange.xforce.ibmcloud.com/vulnerabilities/74286