CVE-2026-103050

Published: Sep 30, 2026Modified: Sep 30, 2026

6.1

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitability: 2.8 / Impact: 2.7

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

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.

Related CWEs

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (2)

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

Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

https://phabricator.wikimedia.org/T432341

Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

Timeline

No history available yet.