CVE-2025-63704

critical
Published 2026-05-07 · Modified 2026-05-12
CVSS v3
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
VIR risk
9.8

Description

query-parser-string is vulnerable to Prototype Pollution

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Package impact

EcosystemPackageVulnerableFixed
npm npmquery-string-parser
npm NPMquery-string-parser= 1.0.0

References

CWEs

CWE-1321

Verify integrity in audit chain (admin only). AS-IS.