{"id":"CVE-2024-34273","aliases":["EUVD-2024-1390","GHSA-3hvj-2783-34x2"],"status":"published","title":"njwt Prototype Pollution vulnerability","description":"njwt up to v0.4.0 was discovered to contain a prototype pollution in the Parser.prototype.parse method.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00488,"percentile":0.42339,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2024-05-16T15:16:37Z","modified":"2026-06-17T07:33:09Z","fixes":[{"ecosystem":"npm","package":"njwt","fixed_in":["2.0.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"njwt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1"}]}]},{"source":"osv","ecosystem":"npm","package":"njwt","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.0.1"}]}]}],"products":[{"vendor":"jwtk","product":"njwt"}],"references":[{"url":"https://github.com/chrisandoryan/vuln-advisory/blob/main/nJwt/CVE-2024-34273.md","tags":["x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-34273","tags":["advisory"]},{"url":"https://github.com/jwtk/njwt/issues/105","tags":["web"]},{"url":"https://github.com/jwtk/njwt/commit/ec9483b6eec1150d56f772ddd308c2bbdf2f98f4","tags":["web"]},{"url":"https://github.com/advisories/GHSA-3hvj-2783-34x2"},{"url":"https://github.com/jwtk/njwt","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-34273","description":"njwt up to v0.4.0 was discovered to contain a prototype pollution in the Parser.prototype.parse method.","status":"published","published":"2024-05-16T15:16:37.853Z","modified":"2025-02-13T15:53:21.966Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:34:23.516065Z"}],"euvd":[{"id":"EUVD-2024-1390","description":"njwt up to v0.4.0 was discovered to contain a prototype pollution in the Parser.prototype.parse method.","status":"published","published":"2024-05-16T15:16:37Z","modified":"2025-02-13T15:53:21Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:03:54.585922Z"}],"ghsa":[{"id":"GHSA-3hvj-2783-34x2","title":"njwt Prototype Pollution vulnerability","description":"njwt up to v0.4.0 was discovered to contain a prototype pollution in the `Parser.prototype.parse` method.","status":"published","published":"2024-05-16T18:30:31Z","modified":"2024-11-18T16:26:43Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:38:20.012356Z"}],"nvd":[{"id":"CVE-2024-34273","description":"njwt up to v0.4.0 was discovered to contain a prototype pollution in the Parser.prototype.parse method.","status":"published","published":"2024-05-16T16:15:08.6Z","modified":"2026-06-17T07:33:09.78Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:09:59.094954Z"}],"osv":[{"id":"GHSA-3hvj-2783-34x2","title":"njwt Prototype Pollution vulnerability","description":"njwt up to v0.4.0 was discovered to contain a prototype pollution in the `Parser.prototype.parse` method.","status":"published","published":"2024-05-16T18:30:31Z","modified":"2024-11-18T16:26:42Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:35.747385Z"}]}}