Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2013-4568
Credits & Attribution
No credits recorded in the NVD database.
References
- http://secunia.com/advisories/57472
- http://www.debian.org/security/2014/dsa-2891
- 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://www.securityfocus.com/bid/63761
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/122998.html
- https://bugzilla.wikimedia.org/show_bug.cgi?id=55332
More from mediawiki
View All →Affected Vendor
mediawiki
View all reports →Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.