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

Quick assessment

Affected
The Wikimedia Foundation Mediawiki - Lockdown Extension
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MediaWiki - Lockdown Extension是MediaWiki开源的一个权限控制扩展。 MediaWiki - Lockdown Extension版本至1.42之前版本存在安全漏洞，该漏洞源于关键资源权限分配不当，可能导致权限滥用。

AI Predicted 7.5 Difficulty: Easy EPSS 0.32% · P22

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2025-12004

Vulnerability Information
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Vulnerability Title
The compare API module breaks Extension:Lockdown
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
关键资源的不正确权限授予
Source: CVE Program / CVE List V5
Vulnerability Title
MediaWiki - Lockdown Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaWiki - Lockdown Extension是MediaWiki开源的一个权限控制扩展。 MediaWiki - Lockdown Extension版本至1.42之前版本存在安全漏洞，该漏洞源于关键资源权限分配不当，可能导致权限滥用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
The Wikimedia Foundation Mediawiki - Lockdown Extension master ~ 1.42 -

II. Public POCs for CVE-2025-12004

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III. Intelligence Information for CVE-2025-12004

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Patches & Fixes for CVE-2025-12004 (1)

Same Patch Batch · The Wikimedia Foundation · 2025-10-21 · 8 CVEs total

CVE-2025-62699 Special:Translate tool does not use the correct IP and User-Agent in the CheckUser tool
CVE-2025-62696 Multiple critical security issues in Springboard
CVE-2025-62695 Stored XSS through system messages
CVE-2025-62701 Stored XSS through system messages
CVE-2025-62694 Stored XSS through a system message
CVE-2025-62702 Stored XSS through system messages
CVE-2025-62661 Do permission checking when getting counts of global and local edits, new articles and tha

IV. Related Vulnerabilities

Same vendor: The Wikimedia Foundation
Same weakness: CWE-732

V. Comments for CVE-2025-12004

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