CVE-2025-6590
Unknown Unknown - Not Provided
Sensitive Information Exposure in MediaWiki HTMLUserTextField Component

Publication date: 2026-02-02

Last updated on: 2026-02-02

Assigner: wikimedia-foundation

Description
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php. This issue affects MediaWiki: from * through 1.39.12, 1.42.76 1.43.1, 1.44.0.
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Meta Information
Published
2026-02-02
Last Modified
2026-02-02
Generated
2026-06-16
AI Q&A
2026-02-03
EPSS Evaluated
2026-06-14
NVD
CVE-2025-6590
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
wikimedia mediawiki to 1.39.12 (inc)
wikimedia mediawiki 1.42.76
wikimedia mediawiki 1.43.1
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 in Wikimedia Foundation MediaWiki involves the exposure of sensitive information to unauthorized actors. It is related to the program file includes/htmlform/fields/HTMLUserTextField.Php and affects multiple versions of MediaWiki up to 1.44.0.

Impact Analysis

The vulnerability can lead to unauthorized access to sensitive information, potentially compromising data confidentiality and privacy for users of affected MediaWiki versions.

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