CVEs-PoC/2021/CVE-2021-23408.md

### [CVE-2021-23408](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23408)
![](https://img.shields.io/static/v1?label=Product&message=com.graphhopper%3Agraphhopper-web-bundle&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=4.0-pre1%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=unspecified%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Prototype%20Pollution&color=brightgreen)

### Description

This affects the package com.graphhopper:graphhopper-web-bundle before 3.2, from 4.0-pre1 and before 4.0. The URL parser could be tricked into adding or modifying properties of Object.prototype using a constructor or __proto__ payload.

### POC

#### Reference
- https://snyk.io/vuln/SNYK-JAVA-COMGRAPHHOPPER-1320114

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