CVE-2014-2242
EPSS 0.50%
Description
includes/upload/UploadBase.php in MediaWiki before 1.19.12, 1.20.x and 1.21.x before 1.21.6, and 1.22.x before 1.22.3 does not prevent use of invalid namespaces in SVG files, which allows remote attackers to conduct cross-site scripting (XSS) attacks via an SVG upload, as demonstrated by use of a W3C XHTML namespace in conjunction with an IFRAME element.
How to fix CVE-2014-2242
To remediate CVE-2014-2242, upgrade the affected package to a fixed version below.
- Debian/mediawiki—upgrade to 1:1.19.12+dfsg-1 or later
Is CVE-2014-2242 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:1.19.12+dfsg-1