CSZ CMS 1.2.7 HTML Injection Vulnerability via Member Dashboard

Advisories

severity: medium
date: December 23, 2025
Affecting: CSZ CMS 1.2.7
CVE: CVE-2021-47737
CWE: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS: 5.1
CVSS V4 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
References: ExploitDB-48357
Official CSZ CMS Vendor Homepage
CSZ CMS SourceForge Project
Credit: Metin Yunus Kandemir
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.