CVE-2021-47737

low-risk
Published 2025-12-23

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.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Cszcms

References (4)

Product https://sourceforge.net/projects/cszcms/
Product https://www.cszcms.com/
Exploit https://www.exploit-db.com/exploits/48357
Third Party Advisory https://www.vulncheck.com/advisories/csz-cms-html-injection-vulnerability-via-me...
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal