{"id":"CVE-2021-4132","aliases":["BIT-livehelperchat-2021-4132","GHSA-f7xw-46vh-5jw2"],"url":"https://o3.security/vulnerability/CVE-2021-4132","summary":"livehelperchat is vulnerable to Cross-site Scripting","details":"livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","published":"2021-12-17T13:15:07.383Z","modified":"2026-08-07T16:57:38.092994Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"remdex/livehelperchat","fixedVersion":"3.91"}],"fix":{"url":"https://github.com/livehelperchat/livehelperchat/commit/55b1e3bf62c564db7c919f5293ec1e755c2958d6","label":"livehelperchat/livehelperchat@55b1e3b"},"references":[{"type":"FIX","url":"https://github.com/livehelperchat/livehelperchat/commit/55b1e3bf62c564db7c919f5293ec1e755c2958d6"},{"type":"EVIDENCE","url":"https://huntr.dev/bounties/7eb80e7c-bb7a-478d-9760-0ea2fa9dc0c2"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T16:57:38.092994Z"}}