CVE-2026-103050 — Stored i18n XSS in MassMessage

CVE-2026-103050

Stored i18n XSS in MassMessage PUBLISHED

Description (CNA)

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - MassMessage extension allows Stored XSS. This issue affects Mediawiki - MassMessage extension: before 1.46.1, 1.45.5, 1.43.10.

Affected (CNA)

Vendor / product	Versions
The Wikimedia Foundation / Mediawiki - MassMessage extension	affected 0 before 1.46.1, 1.45.5, 1.43.10

CWE

CWE-79

References

https://phabricator.wikimedia.org/T432341
https://gerrit.wikimedia.org/r/c/1346089

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.