CVE-2018-10821: Blackcat-CMS Blackcat CMS

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

Cross-site scripting (XSS) vulnerability in backend/pages/modify.php in BlackCatCMS 1.3 allows remote authenticated users with the Admin role to inject arbitrary web script or HTML via the search panel.

Affected products

• Blackcat-CMS Blackcat CMS: version 1.3 only

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