CVE-2013-4568

Description

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via certain non-ASCII characters in CSS, as demonstrated using variations of "expression" containing (1) full width characters or (2) IPA extensions, which are converted and rendered by Internet Explorer.

References

https://bugzilla.wikimedia.org/show_bug.cgi?id=55332

https://bugzilla.wikimedia.org/attachment.cgi?id=13452&action=diff

http://www.securityfocus.com/bid/63761

http://www.debian.org/security/2014/dsa-2891

http://secunia.com/advisories/57472

http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-November/000135.html

http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123011.html

http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3