CVE-2025-63704

CVSS 9.8 CRITICALEPSS 0.5%CWE-1321

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.8EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

07 May 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

n/a · n/a

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References

https://gist.github.com/6en6ar/d62f614dbb2b1032b5e45a56fe26ec8b https://github.com/victorteokw/query-string-parser/issues/3 https://www.npmjs.com/package/query-string-parser?activeTab=readme