CVE-2025-12004

CVE-2025-12004 is a critical-severity vulnerability with a CVSS 4.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

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.

Frequently asked questions

What is CVE-2025-12004?
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.
How severe is CVE-2025-12004?
CVE-2025-12004 has a CVSS 4.0 base score of 10.0, rated critical severity.
Is CVE-2025-12004 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-12004?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-12004 have an EU (EUVD) identifier?
Yes. CVE-2025-12004 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35148.
When was CVE-2025-12004 published?
CVE-2025-12004 was published on 2025-10-21 and last updated on 2026-06-17.

References

Other CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities

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