yargs-parser could be tricked into adding or modifying properties of Object.prototype using a "__proto__" payload.
Source: MITRE
Published: 2020-03-16
Updated: 2021-07-21
Type: CWE-20
Base Score: 4.6
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 5.3
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Impact Score: 3.4
Exploitability Score: 1.8
Severity: MEDIUM