cve/2021/CVE-2021-23574.md

### [CVE-2021-23574](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23574)
![](https://img.shields.io/static/v1?label=Product&message=js-data&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 js-data are vulnerable to Prototype Pollution via the deepFillIn and the set functions. This is an incomplete fix of [CVE-2020-28442](https://snyk.io/vuln/SNYK-JS-JSDATA-1023655).

### POC

#### Reference
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-2320790
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2320791
- https://snyk.io/vuln/SNYK-JS-JSDATA-1584361

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