CVE-2018-16975: Elefantcms Elefant

Critical severity, CVSS 9.8. EPSS: 3.7% chance of exploitation in the next 30 days.

An issue was discovered in Elefant CMS before 2.0.7. There is a PHP Code Execution Vulnerability in /designer/add/stylesheet.php by using a .php extension in the New Stylesheet Name field in conjunction with <?php content, because of insufficient input validation in apps/designer/handlers/csspreview.php.

Affected products

• Elefantcms Elefant: before 2.0.7 (fixed in 2.0.7)

Published 2018-09-12. Last modified 2026-06-17.