{"id":"CVE-2021-3664","aliases":["GHSA-hh27-ffr2-f2jc"],"url":"https://o3.security/vulnerability/CVE-2021-3664","summary":"Open redirect in url-parse","details":"url-parse is vulnerable to URL Redirection to Untrusted Site","published":"2021-07-26T12:15:08.907Z","modified":"2026-07-08T22:14:33.294489Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},"epss":{"score":0.01834,"percentile":0.7694,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"npm","name":"url-parse","fixedVersion":"1.5.2"}],"fix":{"url":"https://github.com/unshiftio/url-parse/commit/81ab967889b08112d3356e451bf03e6aa0cbb7e0","label":"unshiftio/url-parse@81ab967"},"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/02/msg00030.html"},{"type":"FIX","url":"https://github.com/unshiftio/url-parse/commit/81ab967889b08112d3356e451bf03e6aa0cbb7e0"},{"type":"EVIDENCE","url":"https://huntr.dev/bounties/1625557993985-unshiftio/url-parse"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T22:14:33.294489Z"}}