CVE-2013-6451 Cross-site scripting in MediaWiki

Medium 6.1 Published Updated

Remote attackers can inject arbitrary web script or HTML via unspecified CSS values in MediaWiki, potentially compromising user sessions.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2013-6451?

CVE-2013-6451 is a medium-severity cross-site scripting vulnerability in Mediawiki Mediawiki, published on 28 Jan 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross-site scripting (XSS) vulnerability in MediaWiki 1.19.9 before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22.1 allows remote attackers to inject arbitrary web script or HTML via unspecified CSS values.

Weakness: CWE-79

Which versions are affected by CVE-2013-6451?

It affects 1 product.

Products include Mediawiki Mediawiki.

How do I fix CVE-2013-6451?

Upgrade to a fixed version.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2013-6451 being exploited?

There is no known exploitation of CVE-2013-6451 in the wild and no public exploit code.

All Mediawiki Mediawiki vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-6451, GHSA-423m-g5gq-97wq.

Is CVE-2013-6451 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free