CVE-2025-12004 CRITICAL

CVE-2025-12004: The compare API module breaks Extension:Lockdown

Vendor The Wikimedia Foundation
Product Mediawiki - Lockdown Extension
Weakness CWE-732
Published October 21, 2025
Last update October 21, 2025
View on NVD All CVEs

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

What the vulnerability does

01Description

Incorrect Permission Assignment for Critical Resource vulnerability in The Wikimedia Foundation Mediawiki - Lockdown Extension allows Privilege Abuse. Fixed in Mediawiki Core Action APIThis issue affects Mediawiki - Lockdown Extension: from master before 1.42.

Key dates

02Disclosure timeline

October 21, 2025 CVE published
October 21, 2025 Record updated