[20240705] - Core - XSS in com_fields default field value

Project: Joomla!
SubProject: CMS
Impact: Moderate
Severity: Moderate
Probability: Low
Versions: 3.7.0-3.10.15-elts, 4.0.0-4.4.5, 5.0.0-5.1.1
Exploit type: XSS
Reported Date: 2024-06-09
Fixed Date: 2024-07-09
CVE Number: CVE-2024-26278

Description

The Custom Fields component not correctly filter inputs, leading to a XSS vector.

Affected Installs

Joomla! CMS versions 3.7.0-3.10.15-elts, 4.0.0-4.4.5, 5.0.0-5.1.1

Solution

Upgrade to version 3.10.16-elts, 4.4.6 or 5.1.2

Contact

The JSST at the Joomla! Security Centre.

Reported By: Jesper den Boer