CVE-2021-47738CWE-79

CSZ CMS 1.2.7 Persistent Cross-Site Scripting via Private Messaging

Medium · published December 23, 2025

CVSS v4.0
5.1
EPSS
0%
Percentile
19.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
EPSS
0.00284 · 19.8th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-12-23T19:34Z
EPSS history
Timeline
  • 23 DEC 19:34Z
    CSZ CMS 1.2.7 Persistent Cross-Site Scripting via Private Messaging
    cvelistv5