Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows XSS Targeting Non-Script Elements.This issue affects Mediawiki - Cargo Extension: before 3.8.7.

INFO

Published Date :

2026-04-07T19:35:36.153Z

Last Modified :

2026-04-07T20:42:42.943Z

Source :

wikimedia-foundation
AFFECTED PRODUCTS

The following products are affected by CVE-2026-39840 vulnerability.

Vendors Products
Mediawiki
  • Cargo
Wikimedia
  • Mediawiki-cargo Extension
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-39840.

URL Resource
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1237966 cve-icon cve-icon
https://phabricator.wikimedia.org/T416368 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact