CVE-2021-47834: Schlix CMS

Medium severity, CVSS 6.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Schlix CMS 2.2.6-6 contains a persistent cross-site scripting vulnerability that allows authenticated users to inject malicious scripts into category titles. Attackers can create a new contact category with a script payload that will execute when the page is viewed by other users.

Affected products

• Schlix Schlix CMS: version 2.2.6-6 only

Published 2026-01-16. Last modified 2026-06-17.