cve/2017/CVE-2017-18357.md

### [CVE-2017-18357](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18357)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

Shopware before 5.3.4 has a PHP Object Instantiation issue via the sort parameter to the loadPreviewAction() method of the Shopware_Controllers_Backend_ProductStream controller, with resultant XXE via instantiation of a SimpleXMLElement object.

### POC

#### Reference
- http://packetstormsecurity.com/files/152995/Shopware-createInstanceFromNamedArguments-PHP-Object-Instantiation.html

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