CVE-2025-6593
Unknown Unknown - Not Provided
Improper Input Validation in MediaWiki User.php Enables Exploits

Publication date: 2026-02-02

Last updated on: 2026-02-04

Assigner: wikimedia-foundation

Description
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/user/User.Php. This issue affects MediaWiki: from 1.27.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.
CVSS Scores
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Meta Information
Published
2026-02-02
Last Modified
2026-02-04
Generated
2026-06-16
AI Q&A
2026-02-03
EPSS Evaluated
2026-06-14
NVD
CVE-2025-6593
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
wikimedia mediawiki From 1.27.0 (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-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
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Executive Summary

This vulnerability exists in the Wikimedia Foundation's MediaWiki software, specifically in the program file includes/user/User.Php. It affects multiple versions of MediaWiki from 1.27.0 before 1.39.13, 1.42.7 to 1.43.2, and 1.44.0. The CVSS v4.0 base score is 2.1, indicating a low severity issue that requires user interaction and has a low impact on confidentiality and security controls.

Impact Analysis

The vulnerability has a low severity score (2.1) and requires user interaction to be exploited. It has a low impact on confidentiality and security controls, suggesting that the potential impact on a system or user is limited. However, specific impacts are not detailed in the provided information.

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