{"cve":"CVE-2020-28442","nvd":{"published":"2020-12-15T08:15:12.547","modified":"2026-06-17T03:10:27.850","status":"Modified","description":"All versions of package js-data are vulnerable to Prototype Pollution via the deepFillIn function.","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":[],"references":["https://github.com/js-data/js-data/blob/master/src/utils.js%23L417","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1050978","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1050979","https://snyk.io/vuln/SNYK-JS-JSDATA-1023655","https://github.com/js-data/js-data/blob/master/src/utils.js%23L417"],"products":["js-data:js-data"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-28442","score":0.01983,"percentile":0.80569,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-mqgv-67vx-g4m5","url":"https://osv.dev/vulnerability/GHSA-mqgv-67vx-g4m5","summary":"Prototype Pollution in js-data","modified":"2023-11-08T04:03:26.410953Z","packages":[{"ecosystem":"npm","name":"js-data","purl":"pkg:npm/js-data","ranges":["<3.0.10"],"fixed":["3.0.10"]}]}],"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."]}