CVE-2026-39841

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.This issue affects Mediawiki - Cargo Extension: before 3.8.7.

Score

CVSS 4.0 6.3 Medium

Status

Analyzed - c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

Published

2026-04-07

Last modified

2026-04-07

Weaknesses

CWE-79, CWE-80

Affected products

• Cargo (Mediawiki)
• Mediawiki - Cargo Extension (Wikimedia Foundation)

References

• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1237973
• https://phabricator.wikimedia.org/T416389