Description
merge-deep node module before 3.0.1 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.
Remediation
References
https://github.com/jonschlinkert/merge-deep/commit/2c33634da7129a5aefcc262d2fec2e72224404e5
https://hackerone.com/reports/310708
Related Vulnerabilities
CVE-2018-14642 Vulnerability in maven package io.undertow:undertow-core
CVE-2021-21118 Vulnerability in maven package org.webjars.npm:electron
CVE-2021-3827 Vulnerability in maven package org.keycloak:keycloak-server-spi-private
CVE-2020-11113 Vulnerability in maven package com.fasterxml.jackson.core:jackson-databind
CVE-2022-23181 Vulnerability in maven package org.apache.tomcat:tomcat