CVE-2026-39840

Vulnerability 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.

Vulnerability Details

Published Date

April 07, 2026

Last Modified

April 08, 2026

CWE ID

CWE-79

Source

NVD

Vendor

Wikimedia Foundation

Product

Mediawiki - Cargo Extension

External References

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1237966
https://phabricator.wikimedia.org/T416368

CVE-2026-39840

Vulnerability Description

Vulnerability Details

External References

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