CVEs-PoC/2020/CVE-2020-28480.md

### [CVE-2020-28480](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28480)
![](https://img.shields.io/static/v1?label=Product&message=jointjs&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%203.3.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Prototype%20Pollution&color=brighgreen)

### Description

The package jointjs before 3.3.0 are vulnerable to Prototype Pollution via util.setByPath (https://resources.jointjs.com/docs/jointjs/v3.2/joint.htmlutil.setByPath). The path used the access the object's key and set the value is not properly sanitized, leading to a Prototype Pollution.

### POC

#### Reference
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1062037
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1062036
- https://snyk.io/vuln/SNYK-JS-JOINTJS-1024444

#### Github
- https://github.com/dellalibera/dellalibera