### [CVE-2018-7831](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7831)
![](https://img.shields.io/static/v1?label=Product&message=Embedded%20Web%20Servers%20in%20all%20Modicon%20M340%2C%20Premium%2C%20Quantum%20PLCs%20and%20BMXNOR0200&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Improper%20Neutralization%20of%20Script-Related%20HTML%20Tags%20in%20a%20Web%20Page%20(Basic%20XSS)&color=brighgreen)

### Description

An Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 allowing an attacker to send a specially crafted URL to a currently authenticated web server user to execute a password change on the web server.

### POC

#### Reference
- https://www.tenable.com/security/research/tra-2018-38
- https://www.tenable.com/security/research/tra-2018-38

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