CVE-2018-11690: Balbooa Gridbox

Medium severity, CVSS 6.1. EPSS: 33.5% chance of exploitation in the next 30 days.

The Balbooa Gridbox extension version 2.4.0 and previous versions for Joomla! is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability via a crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.

Affected products

• Balbooa Gridbox: up to and including 2.4.0

Published 2018-06-14. Last modified 2026-06-17.