CVE-2025-61639
Unknown Unknown - Not Provided
Information Disclosure in MediaWiki Components Allows Unauthorized Access

Publication date: 2026-02-03

Last updated on: 2026-03-16

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/logging/ManualLogEntry.Php, includes/recentchanges/RecentChangeFactory.Php, includes/recentchanges/RecentChangeStore.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
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Meta Information
Published
2026-02-03
Last Modified
2026-03-16
Generated
2026-06-16
AI Q&A
2026-02-03
EPSS Evaluated
2026-06-15
NVD
CVE-2025-61639
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
mediawiki mediawiki to 1.39.14 (exc)
mediawiki mediawiki From 1.39.15 (inc) to 1.43.4 (exc)
mediawiki mediawiki From 1.43.5 (inc) to 1.44.1 (exc)
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 certain program files (includes/logging/ManualLogEntry.Php, includes/recentchanges/RecentChangeFactory.Php, includes/recentchanges/RecentChangeStore.Php) and affects versions before 1.39.14, 1.43.4, and 1.44.1.

Impact Analysis

The vulnerability can lead to unauthorized access to sensitive information within MediaWiki, potentially compromising confidentiality and privacy of data managed by the system.

Compliance Impact

This vulnerability involves the exposure of sensitive information to unauthorized actors in Wikimedia Foundation MediaWiki. Such exposure can potentially lead to non-compliance with data protection regulations like GDPR and HIPAA, which require the protection of sensitive personal and health information from unauthorized access.

However, specific impacts on compliance with these standards are not detailed in the provided information.

Detection Guidance

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