{"cve":"CVE-2021-23403","nvd":{"published":"2021-07-02T17:15:07.970","modified":"2026-06-17T03:38:41.927","status":"Modified","description":"All versions of package ts-nodash are vulnerable to Prototype Pollution via the Merge() function due to lack of validation input.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-1321"],"references":["https://github.com/BadOPCode/NoDash/blob/master/src/Merge.ts","https://snyk.io/vuln/SNYK-JS-TSNODASH-1311009","https://github.com/BadOPCode/NoDash/blob/master/src/Merge.ts","https://snyk.io/vuln/SNYK-JS-TSNODASH-1311009"],"products":["ts-nodash_project:ts-nodash"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-23403","score":0.01287,"percentile":0.70182,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-5xjx-4xcm-hpcm","url":"https://osv.dev/vulnerability/GHSA-5xjx-4xcm-hpcm","summary":"Prototype Pollution in ts-nodash","modified":"2026-03-13T22:11:25.799549Z","packages":[{"ecosystem":"npm","name":"ts-nodash","purl":"pkg:npm/ts-nodash","ranges":["<1.2.7"],"fixed":["1.2.7"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}