---
id: CVE-2025-62665
title: >-
  Improper Neutralization of Input During Web Page Generation (XSS or
  'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki -
  Skin:BlueSky allows Stored XSS.This issue affects Mediawiki - Skin:BlueSky:
  from master before …
summary: >-
  Improper Neutralization of Input During Web Page Generation (XSS or
  'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki -
  Skin:BlueSky allows Stored XSS.This issue affects Mediawiki - Skin:BlueSky:
  from master before …
severity: none
cwe:
  - CWE-79
published: '2025-10-18'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T10:10:00.193'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-62665'
references:
  - url: 'https://gerrit.wikimedia.org/r/q/I64c9e2983ed6629505f72ef9449c09137b3c69ae'
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
  - url: 'https://phabricator.wikimedia.org/T401046'
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
tags:
  - nvd
epss: 0.00449
epssPercentile: 0.36978
ingestedAt: '2026-10-09T12:53:29.119Z'
---

## Overview

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Skin:BlueSky allows Stored XSS.This issue affects Mediawiki - Skin:BlueSky: from master before 1.39.

## Remediation

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