The Scribunto extension for MediaWiki allows remote attackers to obtain the rollback token and possibly other sensitive information via a crafted module, related to unstripping special page HTML.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9481
Reference (s):
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2014-December/000173.html
- http://www.openwall.com/lists/oss-security/2014/12/21/2
- http://www.openwall.com/lists/oss-security/2015/01/03/13
- https://phabricator.wikimedia.org/T73167