Wikimedia MediaWiki up to 1.39.11/1.42.5/1.43.0 RevertAction.Php permissions

Summaryinfo

A vulnerability, which was classified as critical, has been found in Wikimedia MediaWiki up to 1.39.11/1.42.5/1.43.0. Affected by this vulnerability is an unknown functionality of the file includes/actions/RevertAction.Php. The manipulation leads to permissions. This vulnerability is listed as CVE-2025-32696. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Wikimedia MediaWiki up to 1.39.11/1.42.5/1.43.0 and classified as critical. This issue affects an unknown functionality of the file includes/actions/RevertAction.Php. The manipulation with an unknown input leads to a permissions vulnerability. Using CWE to declare the problem leads to CWE-281. The product does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects, which can cause them to have less restrictive permissions than intended. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Improper Preservation of Permissions vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/actions/RevertAction.Php, includes/api/ApiFileRevert.Php. This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1.

It is possible to read the advisory at phabricator.wikimedia.org. The identification of this vulnerability is CVE-2025-32696 since 04/09/2025. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

By approaching the search of inurl:includes/actions/RevertAction.Php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 234245 (Debian dsa-5901 : mediawiki - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.39.12, 1.42.6 or 1.43.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (234245). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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
• 1.39.0
• 1.39.1
• 1.39.2
• 1.39.3
• 1.39.4
• 1.39.5
• 1.39.6
• 1.39.7
• 1.39.8
• 1.39.9
• 1.39.10
• 1.39.11
• 1.40
• 1.41
• 1.42
• 1.42.0
• 1.42.1
• 1.42.2
• 1.42.3
• 1.42.4
• 1.42.5
• 1.43.0

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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