CVEs-PoC/2021/CVE-2021-42194.md

### [CVE-2021-42194](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42194)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

The wechat_return function in /controller/Index.php of EyouCms V1.5.4-UTF8-SP3 passes the user's input directly into the simplexml_ load_ String function, which itself does not prohibit external entities, triggering a XML external entity (XXE) injection vulnerability.

### POC

#### Reference
- https://github.com/eyoucms/eyoucms/issues/19

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