Is CVE-2026-96874 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-96874 being exploited in the wild.

How severe is CVE-2026-96874?

Informational severity, published 25 September 2026.

Is there a fix for CVE-2026-96874?

A patch was published on 2026-09-30: Version 3.9.4 includes multiple security fixes Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-96874 attacked?

It is attacked over the network.

Am I affected by CVE-2026-96874?

Check whether you run Wikimedia Cargo at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-96874: MediaWiki Cargo extension stored cross-site scripting

CVE-2026-96874 · Severity: info · Published 2026-09-25

The Cargo extension for MediaWiki, which manages structured data in wiki pages, contains a stored cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts. An attacker can exploit this to execute arbitrary JavaScript in the browsers of users viewing affected wiki pages, potentially leading to session hijacking, credential theft, or unauthorized actions on the wiki.

Vendors: Wikimedia.

Quick answers

Is CVE-2026-96874 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-96874 being exploited in the wild.
How severe is CVE-2026-96874?: Informational severity, published 25 September 2026.
Which products and versions are affected?: Wikimedia Cargo through 3.9.4.
Is there a fix for CVE-2026-96874?: A patch was published on 2026-09-30: Version 3.9.4 includes multiple security fixes Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-96874 attacked?: It is attacked over the network.
Am I affected by CVE-2026-96874?: Check whether you run Wikimedia Cargo at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is an improper neutralization of user input during web page generation in the Cargo extension, allowing stored XSS attacks. Multiple input vectors were identified and fixed in version 3.9.4, including exception messages in Special:CargoExport, field aliases in exhibit format, Drilldown tab names, HTML entity handling in filter values, and fulltext search term display in Special:Drilldown. The vulnerability affects versions through 3.9.4, with patches applied in recent commits.

Affected products

Wikimedia Cargo through 3.9.4

Timeline

2026-09-25: disclosed
2026-09-30: patched: Version 3.9.4 includes multiple security fixes

References

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