### [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.