UBUNTU-CVE-2013-4568

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UBUNTU-CVE-2013-4568

Summary:

Details: 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://ubuntu.com/security/CVE-2013-4568, https://bugzilla.wikimedia.org/show_bug.cgi?id=55332, https://bugzilla.wikimedia.org/attachment.cgi?id=13452&action=diff, 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, https://www.cve.org/CVERecord?id=CVE-2013-4568