Cross Site Scripting (XSS) vulnerability in Roundcube Mail <=1.4.4 via smtp config in /installer/test.php.
https://roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12
https://lorexxar.cn/2020/06/10/roundcube-mail-xss/#store-xss-in-smtp-config