---
id: CVE-2025-62659
title: >-
  Improper Neutralization of Input During Web Page Generation (XSS or
  'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki
  CookieConsent extension allows Cross-Site Scripting (XSS).This issue affects
  MediaWiki Cookie…
summary: >-
  Improper Neutralization of Input During Web Page Generation (XSS or
  'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki
  CookieConsent extension allows Cross-Site Scripting (XSS).This issue affects
  MediaWiki Cookie…
severity: none
cwe:
  - CWE-79
published: '2025-10-22'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T11:10:00.250'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-62659'
references:
  - url: 'https://phabricator.wikimedia.org/T404475'
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
tags:
  - nvd
epss: 0.00293
epssPercentile: 0.20045
ingestedAt: '2026-10-08T11:31:27.548Z'
---

## Overview

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki CookieConsent extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki CookieConsent extension: from v0.1.0 before v2.0.0.

## Remediation

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