{"id":"GHSA-xq4f-3jxp-qv6m","summary":"csvjson vulnerable to prototype injection","details":"A Prototype Pollution vulnerability in the toCsv function of csvjson versions thru 5.1.0 allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.","aliases":["CVE-2025-57318"],"modified":"2025-09-26T13:27:21.690711Z","published":"2025-09-24T21:30:37Z","database_specific":{"nvd_published_at":"2025-09-24T21:15:31Z","cwe_ids":["CWE-1321"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2025-09-26T12:56:24Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-57318"},{"type":"WEB","url":"https://github.com/VulnSageAgent/PoCs/blob/main/JavaScript/prototype-pollution/csvjson%405.1.0/index.js"},{"type":"WEB","url":"https://github.com/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CVE-2025-57318"},{"type":"PACKAGE","url":"https://github.com/pradeep-mishra/csvjson"}],"affected":[{"package":{"name":"csvjson","ecosystem":"npm","purl":"pkg:npm/csvjson"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"5.1.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/09/GHSA-xq4f-3jxp-qv6m/GHSA-xq4f-3jxp-qv6m.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}