CVEs-PoC/2020/CVE-2020-8127.md

### [CVE-2020-8127](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8127)
![](https://img.shields.io/static/v1?label=Product&message=reveal.js&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-%20DOM%20(CWE-79)&color=brighgreen)

### Description

Insufficient validation in cross-origin communication (postMessage) in reveal.js version 3.9.1 and earlier allow attackers to perform cross-site scripting attacks.

### POC

#### Reference
- https://hackerone.com/reports/691977

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