CVE-2015-2931
EPSS 0.28%
Description
Incomplete blacklist vulnerability in includes/upload/UploadBase.php in MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2 allows remote attackers to inject arbitrary web script or HTML via an application/xml MIME type for a nested SVG with a data: URI.
How to fix CVE-2015-2931
To remediate CVE-2015-2931, upgrade the affected package to a fixed version below.
- Debian/mediawiki—upgrade to 1:1.19.20+dfsg-2.3 or later
Is CVE-2015-2931 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:1.19.20+dfsg-2.3