CVE-2018-19146: Concretecms Concrete CMS

Medium severity, CVSS 4.8. EPSS: 1% chance of exploitation in the next 30 days.

Concrete5 8.4.3 has XSS because config/concrete.php allows uploads (by administrators) of SVG files that may contain HTML data with a SCRIPT element.

Affected products

• Concretecms Concrete CMS: version 8.4.3 only

Published 2019-06-17. Last modified 2026-06-17.