CVE-2025-63704
Full vulnerability record from the local CVENow database.
Description
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.
Severity
CRITICAL
CVSS score
9.8
(v3.1)
Vulnerability status
Deferred
Source identifier
Published
2026-05-07 16:16:17.697000
Last modified
2026-11-04 20:10:00.263000
View original CVE JSON
{
"id": "CVE-2025-63704",
"sourceIdentifier": "[email protected]",
"published": "2026-05-07T16:16:17.697",
"lastModified": "2026-11-04T20:10:00.263",
"vulnStatus": "Deferred",
"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 Contaminación de Prototipos. El paquete no sanitiza correctamente los parámetros de consulta proporcionados por el usuario y los fusiona con el objeto recién creado."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"version": "n/a",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-08T16:32:17.656177Z",
"id": "CVE-2025-63704",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-1321"
}
]
}
],
"references": [
{
"url": "https://gist.github.com/6en6ar/d62f614dbb2b1032b5e45a56fe26ec8b",
"source": "[email protected]"
},
{
"url": "https://github.com/victorteokw/query-string-parser/issues/3",
"source": "[email protected]"
},
{
"url": "https://www.npmjs.com/package/query-string-parser?activeTab=readme",
"source": "[email protected]"
}
]
}