{"id":"CVE-2025-63704","aliases":[],"url":"https://o3.security/vulnerability/CVE-2025-63704","summary":"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.","details":"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.","published":"2026-05-07T16:16:17.697","modified":"2026-06-17T09:53:24.057","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://gist.github.com/6en6ar/d62f614dbb2b1032b5e45a56fe26ec8b"},{"type":"WEB","url":"https://github.com/victorteokw/query-string-parser/issues/3"},{"type":"WEB","url":"https://www.npmjs.com/package/query-string-parser?activeTab=readme"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-06-17T09:53:24.057"}}