CVEs-PoC/2021/CVE-2021-3918.md

### [CVE-2021-3918](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3918)
![](https://img.shields.io/static/v1?label=Product&message=kriszyp%2Fjson-schema&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%3D%200.3.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-1321%20Improperly%20Controlled%20Modification%20of%20Object%20Prototype%20Attributes%20('Prototype%20Pollution')&color=brighgreen)

### Description

json-schema is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

### POC

#### Reference
- https://huntr.dev/bounties/bb6ccd63-f505-4e3a-b55f-cd2662c261a9

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/grafana/plugin-validator
- https://github.com/khulnasoft/plugin-validator
- https://github.com/seal-community/patches