CVE-2021-47737 MEDIUM

CVE-2021-47737: CSZ CMS 1.2.7 HTML Injection Vulnerability via Member Dashboard

Vendor Cszcms

Product CSZ CMS

Weakness CWE-79 · XSS

Published December 23, 2025

Last update April 7, 2026

View on NVD All CVEs

CVSS base score

5.1/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction —

Confidentiality —

Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 23, 2025 CVE published

April 7, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2021-47737 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html

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