cve/2021/CVE-2021-23568.md

### [CVE-2021-23568](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23568)
![](https://img.shields.io/static/v1?label=Product&message=extend2&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%201.0.1%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Prototype%20Pollution&color=brighgreen)

### Description

The package extend2 before 1.0.1 are vulnerable to Prototype Pollution via the extend function due to unsafe recursive merge.

### POC

#### Reference
- https://snyk.io/vuln/SNYK-JS-EXTEND2-2320315

#### Github
No PoCs found on GitHub currently.