CVE-2025-12004

CRITICAL 10.0CVE-2025-12004 · Published 21/10/2025 · updated 18/10/2026

In short

CVE-2025-12004 is a CRITICAL (CVSS 10.0) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.40%, higher than 34.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

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

gerrit.wikimedia.org/r/q/Id275382743957004fa7fc56318fc104d8e2d267b
phabricator.wikimedia.org/T397521

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