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.

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-587p-w43q-4hjx query-parser-string is vulnerable to Prototype Pollution
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sat, 09 May 2026 04:15:00 +0000

Type Values Removed Values Added
Title Prototype Pollution in query-parser-string 1.0.0

Sat, 09 May 2026 01:15:00 +0000

Type Values Removed Values Added
Title Prototype Pollution in NPM package query-string-parser Leading to Object Prototype Manipulation
Weaknesses CWE-1138

Fri, 08 May 2026 22:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-1321
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 07 May 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Victorteokw
Victorteokw query-string-parser
Vendors & Products Victorteokw
Victorteokw query-string-parser

Thu, 07 May 2026 18:15:00 +0000

Type Values Removed Values Added
Title Prototype Pollution in NPM package query-string-parser Leading to Object Prototype Manipulation
Weaknesses CWE-1138

Thu, 07 May 2026 16:15:00 +0000

Type Values Removed Values Added
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.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-08T21:30:45.836Z

Reserved: 2025-10-27T00:00:00.000Z

Link: CVE-2025-63704

cve-icon Vulnrichment

Updated: 2026-05-08T16:33:05.038Z

cve-icon NVD

Status : Deferred

Published: 2026-05-07T16:16:17.697

Modified: 2026-05-08T22:16:28.440

Link: CVE-2025-63704

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-09T04:00:14Z

Weaknesses