{"id":"GHSA-675m-85rw-j3w4","summary":"Prototype Pollution in just-extend","details":"Versions of `just-extend` before 4.0.0 are vulnerable to prototype pollution. Provided certain input `just-extend` can add or modify properties of the `Object` prototype. These properties will be present on all objects.\n\n\n## Recommendation\n\nUpdate to version `4.0.0` or later.","aliases":["CVE-2018-16489"],"modified":"2023-11-08T04:00:00.870849Z","published":"2019-02-07T18:17:12Z","database_specific":{"cwe_ids":["CWE-1321","CWE-400"],"severity":"CRITICAL","github_reviewed":true,"github_reviewed_at":"2020-06-16T21:18:13Z","nvd_published_at":null},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-16489"},{"type":"WEB","url":"https://hackerone.com/reports/430291"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-675m-85rw-j3w4"},{"type":"WEB","url":"https://www.npmjs.com/advisories/780"}],"affected":[{"package":{"name":"just-extend","ecosystem":"npm","purl":"pkg:npm/just-extend"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.0.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/02/GHSA-675m-85rw-j3w4/GHSA-675m-85rw-j3w4.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:H/I:H/A:H"}]}