CVE-2025-12004

criticalpriority · track · 0EPSS 0.004 · 34 %ileDEEU

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.40% (34th) EPSS

CVSS 10 · critical

Is it mine?

9 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v4.010criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:Hsecondary · ENISA EU

v4.010criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary

v4.09.1criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-732US

affected products (9)

Products and version ranges known to be affected.

Open Source MediaWiki <1.39.14all versionscert_bundDE
Open Source MediaWiki <1.43.4all versionscert_bundDE
Open Source MediaWiki <1.44.1all versionscert_bundDE
Open Source MediaWiki Lockdown Extension <1.42all versionscert_bundDE
Open Source MediaWiki≤ Lockdown Extension <1.42cert_bundDE
Open Source MediaWiki< 1.39.14cert_bundDE
Open Source MediaWiki< 1.43.4cert_bundDE
Open Source MediaWiki< 1.44.1cert_bundDE
The Wikimedia Foundation Mediawiki - Lockdown Extensionmaster → 1.42enisa_euvdEU

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2381MediaWiki: Mehrere SchwachstellenDeutsch2025-10-21csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in MediaWiki Extensions ausnutzen, um seine Privilegien zu erhöhen, Sicherheitsmaßnahmen zu umgehen und Cross-Site-Scripting-Angriffe durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund NVD CVE.org MITRE

published 2025-10-21modified 2026-10-18

references (6)

External citations — patches, advisories, analysis.

scry

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