Detections
Analytics

CVE-2022-21122

critical

Description

The package metacalc before 0.0.2 are 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.

References

https://github.com/metarhia/metacalc/pull/16

https://github.com/metarhia/metacalc/commit/625c23d63eabfa16fc815f5832b147b08d2144bd

https://snyk.io/vuln/SNYK-JS-METACALC-2826197

Details

Source: Mitre, NVD

Published: 2022-06-08

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.0138