CVE-2021-47738

MEDIUM

Cszcms Csz Cms - XSS

Title source: rule
STIX 2.1

Description

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.

Exploits (1)

exploitdb WORKING POC
by Metin Yunus Kandemir · textwebappsphp
https://www.exploit-db.com/exploits/48354

Scores

CVSS v3 5.4
EPSS 0.0003
EPSS Percentile 7.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
Cszcms/CSZ CMS 1.2.7
cszcms/csz_cms 1.2.7
Published Dec 23, 2025
Tracked Since Feb 18, 2026