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Vulnerability record · CVE-2021-47737 · published 23 December 2025

CVE-2021-47737: Cszcms csz cms cross-site scripting vulnerability

Cszcms · Csz Cms

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.

5.1 CVSS 4.0 Medium EPSS 0.28% · top 81.8% CWE-79 · Cross-site scripting
5.1CVSS 4.0 base score
0.28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://sourceforge.net/projects/cszcms/ Product
https://www.cszcms.com/ Product
https://www.exploit-db.com/exploits/48357 ExploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/csz-cms-html-injection-vulnerability-via-member-dashboard Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-25414Cszcms csz cms unrestricted file upload vulnerabilityAn arbitrary file upload vulnerability in /admin/upgrade of CSZ CMS v1.3.0 allows attackers to execute arbitrary code via uploading a crafted Zip fil…EPSS 1.6%9.8CVE-2022-27161Cszcms csz cms sql injection vulnerabilityCsz Cms 1.2.2 is vulnerable to SQL Injection via cszcms_admin_Members_viewUsersEPSS 1.3%9.8CVE-2022-27162Cszcms csz cms sql injection vulnerabilityCSZ CMS 1.2.2 is vulnerable to SQL Injection via cszcms_admin_Members_editUserEPSS 1.1%9.8CVE-2022-27163Cszcms csz cms sql injection vulnerabilityCSZ CMS 1.2.2 is vulnerable to SQL Injection via cszcms_admin_Users_editUserEPSS 1.2%9.8CVE-2022-27164Cszcms csz cms sql injection vulnerabilityCSZ CMS 1.2.2 is vulnerable to SQL Injection via cszcms_admin_Users_viewUsersEPSS 1.1%9.8CVE-2022-27165Cszcms csz cms sql injection vulnerabilityCSZ CMS 1.2.2 is vulnerable to SQL Injection via cszcms_admin_Plugin_manager_setstatusEPSS 1.1%9.8CVE-2020-21250Cszcms csz cms sql injection vulnerabilityCSZ CMS v1.2.4 was discovered to contain an arbitrary file upload vulnerability in the component /core/MY_Security.php.EPSS 1.2%9.8CVE-2019-15524Cszcms csz cms unrestricted file upload vulnerabilityCSZ CMS 1.2.3 allows arbitrary file upload, as demonstrated by a .php file to admin/filemanager in the File Management Module, which leads to remote …EPSS 3.1%

Source: NIST National Vulnerability Database (record CVE-2021-47737), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.