01642 06 11 11 Arrange Call

Sandbox Escape and Prototype Pollution Vulnerability in notevil and argencoders-notevil Packages

CVE-2021-23771 · MEDIUM

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

CVE-2021-23771

This affects all versions of package notevil; all versions of package argencoders-notevil. It is vulnerable to Sandbox Escape leading to Prototype pollution. The package fails to restrict access to the main context, allowing an attacker to add or modify an object's prototype. **Note:** This vulnerability derives from an incomplete fix in [SNYK-JS-NOTEVIL-608878](https://security.snyk.io/vuln/SNYK-JS-NOTEVIL-608878).

Learn more about our Web Application Penetration Testing UK.