{"id":"CVE-2021-42648","aliases":["GHSA-2gp3-6c9p-jp7w"],"url":"https://o3.security/vulnerability/CVE-2021-42648","summary":"Cross site scripting in code-server","details":"Cross-site scripting (XSS) vulnerability exists in Coder Code-Server before 3.12.0, allows attackers to execute arbitrary code via crafted URL.","published":"2022-05-11T18:15:23.097Z","modified":"2026-10-20T10:55:00.864181289Z","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":"npm","name":"code-server","fixedVersion":"3.12.0"}],"fix":{"url":"https://github.com/coder/code-server/pull/4430","label":"coder/code-server#4430"},"references":[{"type":"FIX","url":"https://github.com/cdr/code-server/issues/4355"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42648"},{"type":"WEB","url":"https://github.com/coder/code-server/pull/4430"},{"type":"PACKAGE","url":"https://github.com/coder/code-server"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-20T10:55:00.864181289Z"}}