InMailX Outlook Plugin < 3.22.0101 is vulnerable to Cross Site Scripting (XSS). InMailX Connection names are not sanitzed in the Outlook tab, which allows a local user or network administrator to execute HTML / Javascript in the Outlook of users.
https://gist.github.com/0xVavaldi/9b7afbfe56938294480f7613805d3b7f