Wikimedia MediaWiki up to 1.42.5/1.43.0 IntroMessageBuilder.Php permissions

Summaryinfo

A vulnerability, which was classified as critical, was found in Wikimedia MediaWiki up to 1.42.5/1.43.0. Affected by this issue is some unknown functionality of the file includes/editpage/IntroMessageBuilder.Php. The manipulation results in permissions. This vulnerability is cataloged as CVE-2025-32697. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Wikimedia MediaWiki up to 1.42.5/1.43.0. It has been classified as critical. Affected is some unknown functionality of the file includes/editpage/IntroMessageBuilder.Php. The manipulation with an unknown input leads to a permissions vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Improper Preservation of Permissions vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/editpage/IntroMessageBuilder.Php, includes/Permissions/PermissionManager.Php, includes/Permissions/RestrictionStore.Php. This issue affects MediaWiki: before 1.42.6, 1.43.1.

The advisory is shared for download at phabricator.wikimedia.org. This vulnerability is traded as CVE-2025-32697 since 04/09/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1222.

By approaching the search of inurl:includes/editpage/IntroMessageBuilder.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 1.42.6 or 1.43.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (234245). Once again VulDB remains the best source 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
• 1.40
• 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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Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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