CVE-2024-23172 Cross-site scripting in n/a

Medium 5.4 Published Updated

Cross-site scripting in MediaWiki CheckUser extension allows attackers to inject scripts via message definitions, potentially compromising user sessions.

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

What is CVE-2024-23172?

CVE-2024-23172 is a medium-severity cross-site scripting vulnerability in Mediawiki Mediawiki, published on 12 Jan 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

An issue was discovered in the CheckUser extension in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. XSS can occur via message definitions. e.g., in SpecialCheckUserLog.

Weakness: CWE-79

Which versions are affected by CVE-2024-23172?

1 open source package ship an affected version, including mediawiki. It affects 1 product.

PackageAffectedFixed in
mediawiki BitnamiAll versions1.41.1

Products include Mediawiki Mediawiki.

How do I fix CVE-2024-23172?

Upgrade mediawiki to 1.41.1 or later.

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-2024-23172 being exploited?

There is no known exploitation of CVE-2024-23172 in the wild and no public exploit code.

All Mediawiki Mediawiki vulnerabilities

Sources

Also known as BIT-mediawiki-2024-23172, GHSA-6h75-q28h-667c.

Is CVE-2024-23172 in your software?

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

Check your SBOMs for free