An issue was discovered in MDaemon before 20.0.4. There is Reflected XSS in Webmail (aka WorldClient). It can be exploited via a GET request. It allows performing any action with the privileges of the attacked user.Referenceshttps://www.altn.com/Support/SecurityUpdate/MD011221_MDaemon_EN/https://github.com/chudyPB/MDaemon-Advisories
