CVE-2025-12004 - CVE House
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Status published Critical CVE-2025-12004

The compare API module breaks Extension:Lockdown

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Dianliang233
  • daniel

References

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Affected Vendor

The Wikimedia Foundation

View all reports →

Affected Software

Mediawiki - Lockdown Extension
Vulnerable Versions:
master

Timeline

Official Publish: October 21st, 2025
Last Modified: October 21st, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-732

MITRE ATT&CK TTPs

T1222 File and Directory Permissions Modification
Defense Evasion
T1574 Hijack Execution Flow
Privilege Escalation
T1005 Data from Local System
Collection
T1078 Valid Accounts
Persistence
T1562 Impair Defenses
Defense Evasion