### [CVE-2024-47528](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-47528)
![](https://img.shields.io/static/v1?label=Product&message=librenms&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20%3C%2024.9.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-116%3A%20Improper%20Encoding%20or%20Escaping%20of%20Output&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-434%3A%20Unrestricted%20Upload%20of%20File%20with%20Dangerous%20Type&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%3A%20Improper%20Neutralization%20of%20Input%20During%20Web%20Page%20Generation%20('Cross-site%20Scripting')&color=brighgreen)

### Description

LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. Stored Cross-Site Scripting (XSS) can be achieved by uploading a new Background for a Custom Map. Users with "admin" role can set background for a custom map, this allow the upload of SVG file that can contain XSS payload which will trigger on load. This led to Stored Cross-Site Scripting (XSS). The vulnerability is fixed in 24.9.0.

### POC

#### Reference
- https://github.com/librenms/librenms/security/advisories/GHSA-x8gm-j36p-fppf

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