{"id":"CVE-2021-23403","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-23403","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.","published":"2021-12-10T18:53:42Z","modified":"2026-03-13T22:11:25.799549Z","cvss":{"score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"npm","name":"ts-nodash","fixedVersion":"1.2.7"}],"fix":{"url":"https://github.com/BadOPCode/NoDash/commit/b9cc2b3b49f6cd5228e406bc57e17a28b998fea5","label":"BadOPCode/NoDash@b9cc2b3"},"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-03-13T22:11:25.799549Z"}}