TYPO3-EXT-SA-2023-004: Cross-Site Scripting in extension "Faceted Search" (ke_search)

Categories: Development, Security Created by Torben Hansen
It has been discovered that the extension "Faceted Search" (ke_search) is susceptible to Cross-Site Scripting.

Problem Description

The extension fails to properly encode user input in indexed data for output in HTML context.


An updated versions 4.0.3, 4.6.6 and 5.0.2 are available from the TYPO3 extension manager, packagist and at 
Users of the extension are advised to update the extension as soon as possible.


Thanks to Security Team Member Torben Hansen for reporting the vulnerability and to Christian Bülter for providing updated versions of the extension.

General Advice

Follow the recommendations that are given in the TYPO3 Security Guide. Please subscribe to the typo3-announce mailing list.