---
id: CVE-2026-22711
title: >-
  Improper neutralization of alternate XSS syntax vulnerability in The Wikimedia
  Foundation Mediawiki - Wikilove Extension allows Cross-Site Scripting
  (XSS).The issue has been remediated on the `master` branch, and in the release
  branches …
summary: >-
  Improper neutralization of alternate XSS syntax vulnerability in The Wikimedia
  Foundation Mediawiki - Wikilove Extension allows Cross-Site Scripting
  (XSS).The issue has been remediated on the `master` branch, and in the release
  branches …
severity: none
cwe:
  - CWE-87
published: '2026-04-07'
updated: '2026-07-21'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-22711'
references:
  - url: 'https://gerrit.wikimedia.org/r/q/Iab86209478a044504f5a6aea0d8c3d14f21c48b3'
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
  - url: 'https://phabricator.wikimedia.org/T416502'
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
tags:
  - nvd
epss: 0.00293
epssPercentile: 0.19472
ingestedAt: '2026-07-22T05:58:16.955Z'
---

## Overview

Improper neutralization of alternate XSS syntax vulnerability in The Wikimedia Foundation Mediawiki - Wikilove Extension allows Cross-Site Scripting (XSS).The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.

## Remediation

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