---
id: CVE-2026-103051
title: Stored i18n XSSs in CentralNotice
summary: >-
  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…
severity: none
cwe:
  - CWE-79
vendor: The Wikimedia Foundation
product: Mediawiki - CentralNotice extension
affected:
  - 'mediawiki_-_centralnotice_extension < 1.46.1, 1.45.5, 1.43.10'
published: '2026-09-29'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T23:13:32.747Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-103051'
references:
  - url: 'https://phabricator.wikimedia.org/T432419'
  - url: >-
      https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CentralNotice/+/1346103
tags:
  - cve.org
ingestedAt: '2026-09-29T23:52:50.544Z'
---

## Overview

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.

## Affected

- `mediawiki_-_centralnotice_extension < 1.46.1, 1.45.5, 1.43.10`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.