CVE-2013-4567
EPSS 0.46%
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 a \b (backspace) character in CSS.
How to fix CVE-2013-4567
To remediate CVE-2013-4567, upgrade the affected package to a fixed version below.
- Debian/mediawiki—upgrade to 1:1.19.8+dfsg-2.2 or later
Is CVE-2013-4567 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:1.19.8+dfsg-2.2