MediaWiki up to 1.35.13/1.39.5/1.40.1 CheckUser Extension SpecialCheckUserLog cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, was found in MediaWiki up to 1.35.13/1.39.5/1.40.1. The impacted element is the function SpecialCheckUserLog of the component CheckUser Extension. Such manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2024-23172. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in MediaWiki up to 1.35.13/1.39.5/1.40.1 (Content Management System). It has been rated as problematic. Affected by this issue is the function SpecialCheckUserLog of the component CheckUser Extension. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

An issue was discovered in the CheckUser extension in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. XSS can occur via message definitions. e.g., in SpecialCheckUserLog.

The weakness was disclosed 01/12/2024. The advisory is shared for download at gerrit.wikimedia.org. This vulnerability is handled as CVE-2024-23172 since 01/12/2024. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 1.35.14, 1.39.6 or 1.40.2 eliminates this vulnerability.

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Productinfo

Type

• Content Management System

Name

• MediaWiki

Version

• 1.35.0
• 1.35.1
• 1.35.2
• 1.35.3
• 1.35.4
• 1.35.5
• 1.35.6
• 1.35.7
• 1.35.8
• 1.35.9
• 1.35.10
• 1.35.11
• 1.35.12
• 1.35.13
• 1.39.0
• 1.39.1
• 1.39.2
• 1.39.3
• 1.39.4
• 1.39.5
• 1.40.0
• 1.40.1

License

• open-source

Website

• Product: https://www.mediawiki.org/wiki/MediaWiki

CPE 2.3info

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CPE 2.2info

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