### [CVE-2018-3723](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3723)
![](https://img.shields.io/static/v1?label=Product&message=defaults-deep%20node%20module&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Modification%20of%20Assumed-Immutable%20Data%20(MAID)%20(CWE-471)&color=brighgreen)

### Description

defaults-deep node module before 0.2.4 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.

### POC

#### Reference
- https://hackerone.com/reports/310514
- https://hackerone.com/reports/310514

#### Github
- https://github.com/ARPSyndicate/cvemon