AbuseFilter Extension up to 1.39.12/1.42.6/1.43.1 on Mediawiki authorization

Summaryinfo

A vulnerability categorized as critical has been discovered in AbuseFilter Extension up to 1.39.12/1.42.6/1.43.1 on Mediawiki. Impacted is an unknown function. Executing a manipulation can lead to authorization. This vulnerability is tracked as CVE-2025-53495. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in AbuseFilter Extension up to 1.39.12/1.42.6/1.43.1 on Mediawiki. It has been declared as critical. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. The impact remains unknown. CVE summarizes:

Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - AbuseFilter Extension allows Unauthorized Access.This issue affects Mediawiki - AbuseFilter Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

The weakness was disclosed by Dreamy Jazz. The advisory is shared for download at phabricator.wikimedia.org. This vulnerability was named CVE-2025-53495 since 06/30/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.39.13, 1.42.7 or 1.43.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-20315). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• AbuseFilter Extension

Version

• 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
• 1.39.12
• 1.42.0
• 1.42.1
• 1.42.2
• 1.42.3
• 1.42.4
• 1.42.5
• 1.42.6
• 1.43.0
• 1.43.1

CPE 2.3info

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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