# query-string-parser (npm) vulnerabilities

1 known vulnerability (1 critical), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 1.0.0 (Jan 5, 2025): affected by CVE-2025-63704
- Newest unaffected release: 0.2.4 (Apr 14, 2024)
- Weekly downloads: 530
- Dependents: 0
- Releases: 11 since 0.1.0 (Aug 7, 2015)
- Registry: https://www.npmjs.com/package/query-string-parser
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2025-63704: 1.0.0 (through the newest release)

## Advisories (1)

### [CVE-2025-63704](https://cve.now/CVE-2025-63704): NPM package query-parser-string 1.0.0 is vulnerable to Prototype Pollution.

- Severity: Critical 9.8
- Published: May 7, 2026
- Affected: versions 1.0.0.
- No fix released. The latest release, 1.0.0, is still affected.
- 4.2% of query-string-parser downloads last week were affected versions (26).

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