Description
The utilities function in all versions <= 0.5.0 of the deep-extend node module can be tricked into modifying the prototype of Object when the attacker can control part of the structure passed to this function. This can let an attacker add or modify existing properties that will exist on all objects.
Remediation
References
https://hackerone.com/reports/311333
Related Vulnerabilities
CVE-2021-21179 Vulnerability in npm package electron
CVE-2021-3820 Vulnerability in npm package i
CVE-2021-21636 Vulnerability in maven package org.jenkins-ci.plugins:tfs
CVE-2022-0673 Vulnerability in maven package org.eclipse.lemminx:lemminx-parent
CVE-2023-27479 Vulnerability in maven package org.xwiki.platform:xwiki-platform-panels-ui