CVEs-PoC/2020/CVE-2020-8155.md

### [CVE-2020-8155](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8155)
![](https://img.shields.io/static/v1?label=Product&message=Nextcloud%20Server&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Cross-site%20Scripting%20(XSS)%20-%20Generic%20(CWE-79)&color=brighgreen)

### Description

An outdated 3rd party library in the Files PDF viewer for Nextcloud Server 18.0.2 caused a Cross-site scripting vulnerability when opening a malicious PDF.

### POC

#### Reference
- https://hackerone.com/reports/819863

#### Github
- https://github.com/0xCyberY/CVE-T4PDF
- https://github.com/ARPSyndicate/cvemon