CVE-2014-5241
mediawiki - security update
EPSS 0.32%
Description
The JSONP endpoint in includes/api/ApiFormatJson.php in MediaWiki before 1.19.18, 1.20.x through 1.22.x before 1.22.9, and 1.23.x before 1.23.2 accepts certain long callback values and does not restrict the initial bytes of a JSONP response, which allows remote attackers to conduct cross-site request forgery (CSRF) attacks, and obtain sensitive information, via a crafted OBJECT element with SWF content consistent with a restricted character set.
How to fix CVE-2014-5241
To remediate CVE-2014-5241, upgrade the affected package to a fixed version below.
- Debian/mediawiki—upgrade to 1:1.19.18+dfsg-0.1 or later
- —upgrade to 1:1.19.18+dfsg-0+deb7u1 or later
Is CVE-2014-5241 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:1.19.18+dfsg-0.1
- from 0, < 1:1.19.18+dfsg-0+deb7u1