{"cve":"CVE-2021-4169","nvd":{"published":"2021-12-26T12:15:07.753","modified":"2026-06-17T04:19:08.957","status":"Modified","description":"livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://github.com/livehelperchat/livehelperchat/commit/8f6ddadffcd683c16fbbe622acf374eea1e39c74","https://huntr.dev/bounties/91bbb411-6502-4dc1-8b59-b31f7d1c1f72","https://github.com/livehelperchat/livehelperchat/commit/8f6ddadffcd683c16fbbe622acf374eea1e39c74","https://huntr.dev/bounties/91bbb411-6502-4dc1-8b59-b31f7d1c1f72"],"products":["livehelperchat:live_helper_chat"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-4169","score":0.00974,"percentile":0.62059,"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."]}