CVE-2025-6927
Unknown Unknown - Not Provided
Access Control Bypass in MediaWiki BlockListPager and API Components

Publication date: 2026-02-02

Last updated on: 2026-03-03

Assigner: wikimedia-foundation

Description
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php, includes/api/ApiQueryBlocks.Php. This issue affects MediaWiki: from >= 1.42.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.
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Meta Information
Published
2026-02-02
Last Modified
2026-03-03
Generated
2026-06-16
AI Q&A
2026-02-03
EPSS Evaluated
2026-06-14
NVD
CVE-2025-6927
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
wikimedia mediawiki From 1.42.0 (inc) to 1.39.13 (exc)
wikimedia mediawiki 1.42.7
wikimedia mediawiki 1.43.2
wikimedia mediawiki 1.44.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
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Executive Summary

This vulnerability exists in the Wikimedia Foundation's MediaWiki software, specifically in the program files includes/specials/pagers/BlockListPager.Php and includes/api/ApiQueryBlocks.Php. It affects certain versions of MediaWiki from 1.39.13 up to versions before 1.42.0, and also versions 1.42.7, 1.43.2, and 1.44.0. The exact nature of the vulnerability is not detailed in the provided information.

Impact Analysis

The specific impact of this vulnerability is not described in the provided information. However, since it affects MediaWiki components related to block lists and API queries, it could potentially affect the functionality or security of MediaWiki installations using the affected versions.

Compliance Impact

There is no information provided about how this vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.

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