CVE-2021-23574

PoC ×3—

CVSS 3.1

9.8 critical

EPSS

2%p81

Published

Dec 24, 2021 (Dec 24, 2021)

Modified

Jun 17, 2026

Description

All versions of package js-data are vulnerable to Prototype Pollution via the deepFillIn and the set functions. This is an incomplete fix of [CVE-2020-28442](https://snyk.io/vuln/SNYK-JS-JSDATA-1023655).

Vendors: js-data
Products: js-data
Weakness: CWE-1321
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.1%)

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