CVEs-PoC/2021/CVE-2021-23663.md

### [CVE-2021-23663](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23663)
![](https://img.shields.io/static/v1?label=Product&message=sey&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3E%3D%200%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Prototype%20Pollution&color=brighgreen)

### Description

All versions of package sey are vulnerable to Prototype Pollution via the deepmerge() function.

### POC

#### Reference
- https://snyk.io/vuln/SNYK-JS-SEY-1727592

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