CVE-2026-103049 PUBLISHED

XSS in Cargo's Special:CargoQuery page due to unsanitized table headers

Assigner: wikimedia-foundation
Reserved: 29.09.2026 Published: 29.09.2026 Updated: 29.09.2026

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo extension allows Reflected XSS.

This issue affects Mediawiki - Cargo extension: before 1.46.1.

Product Status

Vendor	The Wikimedia Foundation
Product	Mediawiki - Cargo extension
Versions	Default: unaffected affected from 0 to 1.46.1 (excl.)

Credits

lihaohong finder
Yaron Koren remediation developer

References

https://phabricator.wikimedia.org/T431567
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1310132

Problem Types

CWE-79 Improper neutralization of input during web page generation ('cross-site scripting') CWE

Impacts

CAPEC-591 Reflected XSS