CVE-2025-61658
Information Disclosure Vulnerability in Wikimedia CheckUser Component
Publication date: 2026-02-03
Last updated on: 2026-04-14
Assigner: wikimedia-foundation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mediawiki | checkuser | From 1.43.0 (inc) to 1.43.4 (exc) |
| mediawiki | checkuser | 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
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
Can you explain this vulnerability to me?
This vulnerability is in the Wikimedia Foundation's CheckUser extension, specifically related to the program files src/GlobalContributions/GlobalContributionsPager.Php. It affects versions before 1.43.4 and version 1.44.1. The exact technical details of the vulnerability are not provided.
How can this vulnerability impact me? :
The impact details are not specified. Given the low CVSS base score of 1.3, it likely represents a low-severity issue with limited impact, but exact consequences are not described.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
There is no information available regarding the effect of this vulnerability on compliance with standards such as GDPR or HIPAA.