CVE-2020-8125

PoC —

CVSS 3.1

9.8 critical

EPSS

4%p90

Published

Feb 4, 2020 (Feb 4, 2020)

Modified

Jun 17, 2026

Description

Flaw in input validation in npm package klona version 1.1.0 and earlier may allow prototype pollution attack that may result in remote code execution or denial of service of applications using klona.

Vendors: klona project
Products: klona
Weakness: CWE-20
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 (4.1%)

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