Critical severity9.8NVD Advisory· Published May 7, 2026· Updated May 8, 2026

CVE-2025-63704

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.

Affected products

Naturalintelligence/Query String Parserreferences
Package: https://npmjs.com/package/query-string-parser

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/advisories/GHSA-587p-w43q-4hjxghsaADVISORY
gist.github.com/6en6ar/d62f614dbb2b1032b5e45a56fe26ec8bnvd
github.com/victorteokw/query-string-parser/issues/3nvd
nvd.nist.gov/vuln/detail/CVE-2025-63704ghsa
www.npmjs.com/package/query-string-parsernvd

News mentions

No linked articles in our index yet.

cvss	0.637
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000