MediaWiki up to 1.35.13/1.39.5/1.40.1 CampaignEvents Extension Special:EventDetails cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, has been found in MediaWiki up to 1.35.13/1.39.5/1.40.1. The affected element is an unknown function of the file Special:EventDetails of the component CampaignEvents Extension. This manipulation causes cross site scripting. This vulnerability is handled as CVE-2024-23171. The attack can be initiated remotely. There is not any exploit available. It is advisable to 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 declared as problematic. Affected by this vulnerability is an unknown functionality of the file Special:EventDetails of the component CampaignEvents Extension. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

An issue was discovered in the CampaignEvents 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. The Special:EventDetails page allows XSS via the x-xss language setting for internationalization (i18n).

The weakness was released 01/12/2024. It is possible to read the advisory at gerrit.wikimedia.org. This vulnerability is known as CVE-2024-23171 since 01/12/2024. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

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

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CPE 2.2info

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