CVE-2021-47737: Cszcms Csz CMS

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

CSZ CMS 1.2.7 contains an HTML injection vulnerability that allows authenticated users to insert malicious hyperlinks in message titles. Attackers can craft POST requests to the member messaging system with HTML-based links to potentially conduct phishing or social engineering attacks.

Affected products

• Cszcms Csz CMS: version 1.2.7 only

Published 2025-12-23. Last modified 2026-06-17.