CVE-2026-6159: Code-Projects Simple Chatbox

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability has been found in code-projects Simple ChatBox up to 1.0. Affected by this vulnerability is an unknown functionality of the file /chatbox/insert.php of the component Endpoint. Such manipulation of the argument msg leads to cross site scripting. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.

Affected products

Published 2026-04-13. Last modified 2026-06-17.