CVE-2025-12004

CRITICAL

Mediawiki - Lockdown Extension <1.42 - Privilege Escalation

Title source: llm
STIX 2.1

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.

References (2)

Scores

CVSS v4 10.0
EPSS 0.0006
EPSS Percentile 18.1%
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

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-732
Status published
Products (1)
The Wikimedia Foundation/Mediawiki - Lockdown Extension master - 1.42
Published Oct 21, 2025
Tracked Since Feb 18, 2026