Wikimedia MediaWiki up to 1.45.x/1.45.3/1.44.5/1.43.8 ApiUserrights.Php information disclosure

Summaryinfo

A vulnerability labeled as problematic has been found in Wikimedia MediaWiki up to 1.45.x/1.45.3/1.44.5/1.43.8. Affected by this issue is some unknown functionality of the file includes/Api/ApiUserrights.Php. Executing a manipulation can lead to information disclosure. The identification of this vulnerability is CVE-2026-58024. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Wikimedia MediaWiki up to 1.45.x/1.45.3/1.44.5/1.43.8 and classified as problematic. This vulnerability affects an unknown part of the file includes/Api/ApiUserrights.Php. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiUserrights.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

The advisory is available at phabricator.wikimedia.org. This vulnerability was named CVE-2026-58024 since 06/27/2026. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

By approaching the search of inurl:includes/Api/ApiUserrights.Php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.46.0, 1.45.4, 1.44.6 or 1.43.9 eliminates this vulnerability.

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Productinfo

Type

• Content Management System

Vendor

• Wikimedia

Name

• MediaWiki

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34
• 1.35
• 1.36
• 1.37
• 1.38
• 1.39
• 1.40
• 1.41
• 1.42
• 1.43
• 1.43.0
• 1.43.1
• 1.43.2
• 1.43.3
• 1.43.4
• 1.43.5
• 1.43.6
• 1.43.7
• 1.43.8
• 1.44
• 1.44.0
• 1.44.1
• 1.44.2
• 1.44.3
• 1.44.4
• 1.44.5
• 1.45
• 1.45.0
• 1.45.1
• 1.45.2
• 1.45.3

License

• open-source

CPE 2.3info

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CPE 2.2info

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Entryinfo

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