{"id":"CVE-2020-21146","aliases":["GHSA-v762-47vh-j7q3"],"url":"https://o3.security/vulnerability/CVE-2020-21146","summary":"Feehi CMS vulnerable to Cross-site Scripting in Username Field","details":"Feehi CMS 2.0.8 is affected by a cross-site scripting (XSS) vulnerability. When the user name is inserted as JavaScript code, browsing the post will trigger the XSS.","published":"2021-01-26T18:15:42.037Z","modified":"2026-08-07T15:11:52.629977Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"feehi/cms","fixedVersion":"2.0.8.1"}],"fix":null,"references":[{"type":"REPORT","url":"https://github.com/liufee/cms/issues/43"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T15:11:52.629977Z"}}