CVE-2025-6927
Access Control Bypass in MediaWiki BlockListPager and API Components
Publication date: 2026-02-02
Last updated on: 2026-03-03
Assigner: wikimedia-foundation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| 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 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
There is no information provided about how this vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.