CVE-2025-63704

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "NPM package query-parser-string 1.0.0 is vulnerable to Prototype Pollution. The package does not properly sanitize user supplied query parameters and merges them to the newly created object."}, {"lang": "es", "value": "El paquete NPM query-parser-string 1.0.0 es vulnerable a la Contaminaci\u00f3n de Prototipos. El paquete no sanitiza correctamente los par\u00e1metros de consulta proporcionados por el usuario y los fusiona con el objeto reci\u00e9n creado."}], "id": "CVE-2025-63704", "lastModified": "2026-11-04T20:10:00.263", "metrics": {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-63704", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-08T16:32:17.656177Z", "version": "2.0.3"}}]}, "published": "2026-05-07T16:16:17.697", "references": [{"source": "cve@mitre.org", "url": "https://gist.github.com/6en6ar/d62f614dbb2b1032b5e45a56fe26ec8b"}, {"source": "cve@mitre.org", "url": "https://github.com/victorteokw/query-string-parser/issues/3"}, {"source": "cve@mitre.org", "url": "https://www.npmjs.com/package/query-string-parser?activeTab=readme"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.0"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "query-string-parser", "vendor": "victorteokw"}], "created": "2026-05-07T18:00:12.972199+00:00", "title": "Prototype Pollution in query-parser-string 1.0.0", "updated": "2026-05-09T04:00:14.631065+00:00", "vendors": ["victorteokw", "victorteokw$PRODUCT$query-string-parser"]}