{"id":"CVE-2021-4169","aliases":["BIT-livehelperchat-2021-4169","EUVD-2021-34034","GHSA-76hh-gp2h-4r6g"],"status":"published","title":"Cross-site Scripting (XSS) - Reflected in livehelperchat/livehelperchat","description":"livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","severity":{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00974,"percentile":0.62298,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2021-12-26T11:35:09Z","modified":"2026-10-20T10:54:58Z","fixes":[{"ecosystem":"Bitnami","package":"livehelperchat","fixed_in":["3.90.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"livehelperchat","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.90.0"}]}]}],"products":[{"vendor":"livehelperchat","product":"live_helper_chat"},{"vendor":"livehelperchat","product":"livehelperchat/livehelperchat"}],"references":[{"url":"https://huntr.dev/bounties/91bbb411-6502-4dc1-8b59-b31f7d1c1f72","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","web","fix"]},{"url":"https://github.com/livehelperchat/livehelperchat/commit/8f6ddadffcd683c16fbbe622acf374eea1e39c74","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","web","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4169"},{"url":"https://github.com/advisories/GHSA-76hh-gp2h-4r6g"}],"sources":{"cve":[{"id":"CVE-2021-4169","title":"Cross-site Scripting (XSS) - Reflected in livehelperchat/livehelperchat","description":"livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","status":"published","published":"2021-12-26T11:35:09Z","modified":"2024-08-03T17:16:04.241Z","cvss":[{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:07.697752Z"}],"euvd":[{"id":"EUVD-2021-34034","description":"livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","status":"published","published":"2021-12-26T11:35:09Z","modified":"2024-08-03T17:16:04Z","cvss":[{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T03:25:10.418596Z"}],"ghsa":[{"id":"GHSA-76hh-gp2h-4r6g","title":"livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation (...","description":"livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","status":"published","published":"2021-12-27T00:00:18Z","modified":"2026-03-14T05:11:13Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:06:37.566427Z"}],"nvd":[{"id":"CVE-2021-4169","description":"livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","status":"published","published":"2021-12-26T12:15:07.753Z","modified":"2026-06-17T04:19:08.957Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:02.977492Z"}],"osv":[{"id":"CVE-2021-4169","description":"livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","status":"published","published":"2021-12-26T12:15:07.753Z","modified":"2026-10-20T10:54:58.823933603Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:21.557945Z"},{"id":"BIT-livehelperchat-2021-4169","description":"livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","status":"published","published":"2024-03-06T10:58:49.802Z","modified":"2024-03-06T11:25:28.861Z","updated_at":"2026-11-02T15:28:32.645004Z"}]}}