CVE-2026-103051

MEDIUMCVSS 6.1

Description

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

Timeline

Published:September 30th, 2026 12:16 AM

Last modified:September 30th, 2026 9:17 PM

CVSS Scoring

CVSS v3: 6.1 (MEDIUM)

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

Weaknesses (CWE)

CWE-79

References & Reports

Advisories, patches, and third-party reports

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CentralNotice/+/1346103
https://phabricator.wikimedia.org/T432419

Source: NIST NVD · Data may lag official sources by up to one minute