Incorrect Permission Assignment in Wikimedia Mediawiki Lockdown Extension
CVE-2025-12004

10CRITICAL

Key Information:

Vendor

The Wikimedia Foundation

Status
Mediawiki - Lockdown Extension
Vendor
CVE Published:
21 October 2025

What is CVE-2025-12004?

The Mediawiki Lockdown Extension developed by the Wikimedia Foundation has a vulnerability that allows for incorrect permission assignments, potentially leading to privilege abuse. This affects users' ability to access critical resources improperly. The issue has been identified in versions prior to 1.42 of the extension. For those utilizing this product, it is essential to update to the latest version to mitigate risks associated with this vulnerability.

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Affected Version(s)

Mediawiki - Lockdown Extension master < 1.42

References

https://phabricator.wikimedia.org/T397521
https://gerrit.wikimedia.org/r/q/Id275382743957004fa7fc56...

CVSS V4

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dianliang233
daniel
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