In IceWarp Webmail Server through 11.4.4.1, there is XSS in the /webmail/ color parameter.
http://packetstormsecurity.com/files/156103/IceWarp-WebMail-11.4.4.1-Cross-Site-Scripting.html
https://cxsecurity.com/issue/WLB-2020010205
https://packetstormsecurity.com/files/156103/IceWarp-WebMail-11.4.4.1-Cross-Site-Scripting.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8512