{"id":"GHSA-5xjx-4xcm-hpcm","summary":"Prototype Pollution in ts-nodash","details":"`ts-nodash` before version 1.2.7 is vulnerable to Prototype Pollution via the Merge() function due to lack of validation input.","aliases":["CVE-2021-23403"],"modified":"2026-03-13T22:11:25.799549Z","published":"2021-12-10T18:53:42Z","database_specific":{"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2021-07-06T14:35:53Z","nvd_published_at":"2021-07-02T17:15:00Z","cwe_ids":["CWE-1321","CWE-915"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23403"},{"type":"WEB","url":"https://github.com/BadOPCode/NoDash/commit/b9cc2b3b49f6cd5228e406bc57e17a28b998fea5"},{"type":"PACKAGE","url":"https://github.com/BadOPCode/NoDash"},{"type":"WEB","url":"https://github.com/BadOPCode/NoDash/blob/master/src/Merge.ts"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-JS-TSNODASH-1311009"}],"affected":[{"package":{"name":"ts-nodash","ecosystem":"npm","purl":"pkg:npm/ts-nodash"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.2.7"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/12/GHSA-5xjx-4xcm-hpcm/GHSA-5xjx-4xcm-hpcm.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:L/I:L/A:L"}]}