{"cve":"CVE-2021-47737","nvd":{"published":"2025-12-23T20:15:45.587","modified":"2026-06-17T04:18:23.570","status":"Analyzed","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_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","score":5.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["https://sourceforge.net/projects/cszcms/","https://www.cszcms.com/","https://www.exploit-db.com/exploits/48357","https://www.vulncheck.com/advisories/csz-cms-html-injection-vulnerability-via-member-dashboard"],"products":["cszcms:csz_cms"],"source":"nvd","synced_at":"2026-10-19T22:17:07.138532058+00:00"},"epss":{"cve":"CVE-2021-47737","score":0.00278,"percentile":0.20313,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}