---
id: CVE-2026-96874
title: >-
  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.
summary: >-
  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.
severity: low
cvss: 2.3
cvssVector: 'CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:N'
cwe:
  - CWE-79
vendor: The Wikimedia Foundation
product: Mediawiki - Cargo extension
affected:
  - mediawiki_-_cargo_extension <= 3.9.4
published: '2026-09-25'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T22:19:06.067'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-96874'
references:
  - url: 'https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1328631'
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
  - url: 'https://phabricator.wikimedia.org/T435207'
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
  - url: 'https://gerrit.wikimedia.org/g/mediawiki/extensions/Cargo'
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
tags:
  - nvd
  - cve.org
  - exploit-available
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-25T16:07:08.411563Z'
cvssSource: cna
epss: 0.00257
epssPercentile: 0.1724
ingestedAt: '2026-09-25T16:12:08.733Z'
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/BomboBombone/CVE-2026-96874'
  checkedAt: '2026-10-27T19:24:41.148Z'
exploitAvailable: true
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.