{"affected":[{"affectedData":[{"product":"fiznool/body-parser-xml","vendor":"fiznool","versions":[{"lessThan":"2.0.3","status":"affected","version":"unspecified","versionType":"custom"}]}],"source":"security@huntr.dev"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:xml_body_parser_project:xml_body_parser:*:*:*:*:*:node.js:*:*","matchCriteriaId":"4C3AC8E2-CF34-489E-9FBF-D3513E174A87","versionEndExcluding":"2.0.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"body-parser-xml is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')"},{"lang":"es","value":"body-parser-xml es vulnerable a una Modificación Inapropiada de los Atributos del Prototipo del Objeto (\"Contaminación de Prototipo\")"}],"id":"CVE-2021-3666","lastModified":"2026-06-17T04:05:31.970","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"HIGH","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":7.5,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":10.0,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.6,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H","version":"3.0"},"exploitabilityScore":2.8,"impactScore":4.7,"source":"security@huntr.dev","type":"Secondary"}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-09-13T18:15:25.167","references":[{"source":"security@huntr.dev","tags":["Patch","Third Party Advisory"],"url":"https://github.com/fiznool/body-parser-xml/commit/d46ca622560f7c9a033cd9321c61e92558150d63"},{"source":"security@huntr.dev","tags":["Exploit","Third Party Advisory"],"url":"https://huntr.dev/bounties/1-other-fiznool/body-parser-xml"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"],"url":"https://github.com/fiznool/body-parser-xml/commit/d46ca622560f7c9a033cd9321c61e92558150d63"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"],"url":"https://huntr.dev/bounties/1-other-fiznool/body-parser-xml"}],"sourceIdentifier":"security@huntr.dev","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-1321"}],"source":"security@huntr.dev","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-1321"}],"source":"nvd@nist.gov","type":"Primary"}]}