{"id":"CVE-2021-3666","aliases":["GHSA-2ghc-6v89-pw9j"],"url":"https://o3.security/vulnerability/CVE-2021-3666","summary":"body-parser-xml vulnerable to Prototype Pollution","details":"body-parser-xml is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","published":"2021-09-13T18:15:25.167Z","modified":"2026-07-09T05:44:39.472943Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"npm","name":"body-parser-xml","fixedVersion":"2.0.3"}],"fix":{"url":"https://github.com/fiznool/body-parser-xml/commit/d46ca622560f7c9a033cd9321c61e92558150d63","label":"fiznool/body-parser-xml@d46ca62"},"references":[{"type":"FIX","url":"https://github.com/fiznool/body-parser-xml/commit/d46ca622560f7c9a033cd9321c61e92558150d63"},{"type":"EVIDENCE","url":"https://huntr.dev/bounties/1-other-fiznool/body-parser-xml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T05:44:39.472943Z"}}