CVEs-PoC/2020/CVE-2020-7767.md

### [CVE-2020-7767](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7767)
![](https://img.shields.io/static/v1?label=Product&message=express-validators&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=Regular%20Expression%20Denial%20of%20Service%20(ReDoS)&color=brighgreen)

### Description

All versions of package express-validators are vulnerable to Regular Expression Denial of Service (ReDoS) when validating specifically-crafted invalid urls.

### POC

#### Reference
- https://snyk.io/vuln/SNYK-JS-EXPRESSVALIDATORS-1017404

#### Github
- https://github.com/yetingli/PoCs