CVE-2013-4302 Information

Description

(1) ApiBlock.php (2) ApiCreateAccount.php (3) ApiLogin.php (4) ApiMain.php (5) ApiQueryDeletedrevs.php (6) ApiTokens.php and (7) ApiUnblock.php in includes/api/ in MediaWiki 1.19.x before 1.19.8 1.20.x before 1.20.7 and 1.21.x before 1.21.2 allow remote attackers to obtain CSRF tokens and bypass the cross-site request forgery (CSRF) protection mechanism via a JSONP request to wiki/api.php.

Reference

http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html http://osvdb.org/96912 http://seclists.org/oss-sec/2013/q3/553 http://secunia.com/advisories/54715 http://www.debian.org/security/2013/dsa-2753 https://bugzilla.wikimedia.org/show_bug.cgi?id=49090 https://exchange.xforce.ibmcloud.com/vulnerabilities/86896 https://www.mediawiki.org/wiki/Release_notes/1.19 https://www.mediawiki.org/wiki/Release_notes/1.20 https://www.mediawiki.org/wiki/Release_notes/1.21