CVE-2021-47738: 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 a persistent cross-site scripting vulnerability that allows unauthorized users to embed malicious JavaScript in private messages. Attackers can send messages with script payloads in the user-agent header, which will execute when an admin views the message in the backend dashboard.

Affected products

• Cszcms Csz CMS: version 1.2.7 only

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