CVE-2021-47737

MEDIUM

Cszcms Csz Cms - XSS

Title source: rule
STIX 2.1

Description

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.

Exploits (1)

exploitdb WORKING POC
by Metin Yunus Kandemir · textwebappsphp
https://www.exploit-db.com/exploits/48357

Scores

CVSS v3 5.4
EPSS 0.0003
EPSS Percentile 7.1%
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