CVE-2025-12004

The compare API module breaks Extension:Lockdown

Published Oct 21, 2025 CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mediawiki
Mediawiki mediawiki
Vendors & Products Mediawiki
Mediawiki mediawiki
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title The compare API module breaks Extension:Lockdown
Weaknesses CWE-732
References
Metrics cvssV4_0

{'score': 10, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
wikimedia-foundation
Published
Updated
Oct 21, 2025, 2:08 PM
Reserved
Oct 21, 2025, 6:09 AM
Status
Deferred
Published
Oct 21, 2025, 7:15 AM
Modified
Oct 18, 2026, 9:10 PM