cve/2021/CVE-2021-4143.md

### [CVE-2021-4143](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4143)
![](https://img.shields.io/static/v1?label=Product&message=bigbluebutton%2Fbigbluebutton&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%202.4.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%20Improper%20Neutralization%20of%20Input%20During%20Web%20Page%20Generation%20('Cross-site%20Scripting')&color=brighgreen)

### Description

Cross-site Scripting (XSS) - Generic in GitHub repository bigbluebutton/bigbluebutton prior to 2.4.0.

### POC

#### Reference
- https://huntr.dev/bounties/e67603e6-8497-4ab6-b93a-02c26407d443

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