CVE-2022-21649
Convos is an open source multi-user chat that runs in a web browser. Characters starting with "https://" in the chat window create an tag. Stored XSS vulnerability using onfocus and autofocus occurs because escaping exists for "<" or ">" but escaping for double quotes does not exist. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible.
Date published : 2022-01-04
https://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7
https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerability