CVE-2013-4568
MEDIUM severity · CVSS 4.3
4.3CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impact—
Availability impactNone
Exploit probability (EPSS)2%
AV:N/AC:M/Au:N/C:N/I:P/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123011.html
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-November/000135.html
- http://secunia.com/advisories/57472
- http://www.debian.org/security/2014/dsa-2891
- http://www.securityfocus.com/bid/63761
- https://bugzilla.wikimedia.org/attachment.cgi?id=13452&action=diff
- https://bugzilla.wikimedia.org/show_bug.cgi?id=55332