Medium severity6.1NVD Advisory· Published Apr 7, 2026· Updated Apr 15, 2026
CVE-2026-39840
CVE-2026-39840
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1237966nvdPatch
- phabricator.wikimedia.org/T416368nvdExploitIssue TrackingVendor Advisory
News mentions
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