[20240702] - Core - Self-XSS in fancyselect list field layout

Project: Joomla!
SubProject: CMS
Impact: Low
Severity: Low
Probability: Low
Versions: 4.0.0-4.4.5, 5.0.0-5.1.1
Exploit type: XSS
Reported Date: 2024-06-03
Fixed Date: 2024-07-09
CVE Number: CVE-2024-21730

Description

The fancyselect list field layout does not correctly escape inputs, leading to a self-XSS vector.

Affected Installs

Joomla! CMS versions 4.0.0-4.4.5, 5.0.0-5.1.1

Solution

Upgrade to version 4.4.6 or 5.1.2

Contact

The JSST at the Joomla! Security Centre.

Reported By: Jesper den Boer