{"cve":"CVE-2021-33849","nvd":{"published":"2021-10-05T22:15:07.983","modified":"2026-06-17T03:55:18.790","status":"Modified","description":"A Cross-Site Scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user’s browser while the browser is connected to a trusted website. The attack targets your application's users and not the application itself while using your application as the attack's vehicle. The XSS payload executes whenever the user changes the form values or deletes a created form in Zoho CRM Lead Magnet Version 1.7.2.4.","cvss_v4":null,"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://cybersecurityworks.com/zerodays/cve-2020-29322-telnet-hardcoded-credentials.html","https://cybersecurityworks.com/zerodays/cve-2021-33849-stored-cross-site-scripting-xss-in-wordpress-plugin-zoho-crm-lead-magnet-version-1-7-2-4.html","https://cybersecurityworks.com/zerodays/cve-2020-29322-telnet-hardcoded-credentials.html","https://cybersecurityworks.com/zerodays/cve-2021-33849-stored-cross-site-scripting-xss-in-wordpress-plugin-zoho-crm-lead-magnet-version-1-7-2-4.html"],"products":["zohocorp:zoho_crm_lead_magnet"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-33849","score":0.01079,"percentile":0.65065,"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."]}