CVE-2026-96874 Stored XSS in Cargo Drilldown tab names
Attackers can inject malicious scripts via tab names in the Cargo extension, potentially executing code or hijacking user sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-96874?
CVE-2026-96874 is a low-severity cross-site scripting vulnerability in The Wikimedia Foundation Mediawiki - Cargo extension, published on 25 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in the Mediawiki - Cargo extension allows Stored XSS.
This issue affects Mediawiki - Cargo extension: through 3.9.4.
Weakness: CWE-79
Which versions are affected by CVE-2026-96874?
How do I fix CVE-2026-96874?
No fix has been published for CVE-2026-96874 yet. Limit exposure of the affected software until one is available.
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-2026-96874 being exploited?
There is no known exploitation of CVE-2026-96874 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-mwqr-9fvj-9cvq.