metarhia/metacalc · Security

Code Injection in metacalc

GHSA ID
GHSA-5gc4-cx9x-9c43
CVE ID
CVE-2022-21122
Severity
critical
Published
Updated
CVSS
9 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v3
9 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Description

The package metacalc before 0.0.2 is vulnerable to Arbitrary Code Execution when it exposes JavaScript's Math class to the v8 context. As the Math class is exposed to user-land, it can be used to get access to JavaScript's Function constructor.

CWEs

References