---
id: CVE-2025-62668
title: >-
  Incorrect Default Permissions vulnerability in The Wikimedia Foundation
  Mediawiki - GrowthExperiments Extension allows Resource Leak Exposure.This
  issue affects Mediawiki - GrowthExperiments Extension: from master before
  1.39.
summary: >-
  Incorrect Default Permissions vulnerability in The Wikimedia Foundation
  Mediawiki - GrowthExperiments Extension allows Resource Leak Exposure.This
  issue affects Mediawiki - GrowthExperiments Extension: from master before
  1.39.
severity: none
cwe:
  - CWE-276
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-2025-62668'
references:
  - url: 'https://gerrit.wikimedia.org/r/q/I29a18dbbaf7e2ce2a713233dbc6880032fec3628'
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
  - url: 'https://phabricator.wikimedia.org/T402600'
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
tags:
  - nvd
epss: 0.00417
epssPercentile: 0.33934
ingestedAt: '2026-10-09T12:53:29.171Z'
---

## Overview

Incorrect Default Permissions vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments Extension allows Resource Leak Exposure.This issue affects Mediawiki - GrowthExperiments Extension: from master before 1.39.

## Remediation

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