CVE-2021-3815

PoC —

CVSS 3.1

9.8 critical

EPSS

<1%p56

Published

Dec 8, 2021 (Dec 8, 2021)

Modified

Jun 17, 2026

Description

utils.js is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Vendors: utils.js project
Products: utils.js
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 (0.8%)

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