cve/2022/CVE-2022-25301.md

### [CVE-2022-25301](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-25301)
![](https://img.shields.io/static/v1?label=Product&message=jsgui-lang-essentials&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=Prototype%20Pollution&color=brighgreen)

### Description

All versions of package jsgui-lang-essentials are vulnerable to Prototype Pollution due to allowing all Object attributes to be altered, including their magical attributes such as proto, constructor and prototype.

### POC

#### Reference
- https://github.com/metabench/jsgui-lang-essentials/issues/1
- https://github.com/metabench/jsgui-lang-essentials/issues/1
- https://snyk.io/vuln/SNYK-JS-JSGUILANGESSENTIALS-2316897
- https://snyk.io/vuln/SNYK-JS-JSGUILANGESSENTIALS-2316897

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