CVE-2013-4568
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…
Does this matter?
Lower severity and a low EPSS score (2.10%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 2.10% probability · 81th percentile
- CISA KEV
- Not listed
- Affected
- mediawiki/mediawiki
- Source
- secalert@redhat.com
References
- 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
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.