### [CVE-2021-20084](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20084)
![](https://img.shields.io/static/v1?label=Product&message=jQuery%20Sparkle&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=1.5.2-beta%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Prototype%20Pollution&color=brightgreen)

### Description

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in jquery-sparkle 1.5.2-beta allows a malicious user to inject properties into Object.prototype.

### POC

#### Reference
- https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/jquery-sparkle.md

#### Github
- https://github.com/B1gN0Se/prototype-pollution
- https://github.com/BlackFan/client-side-prototype-pollution
- https://github.com/PecentZero/prototype_pollution
- https://github.com/retr0-13/client-side-prototype-pollution
- https://github.com/tHeStRyNg/client-side-prototype-pollution