CVE-2021-47738

Medium · 5.4

CVSS

5.4

EPSS

0.3%

Published

Dec 23, 2025

CISA due date

—

The record

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 packages

Ecosystem	Package	Introduced	Fixed