CVE-2020-13965
An issue was discovered in Roundcube Webmail before 1.3.12 and 1.4.x before 1.4.5. There is XSS via a malicious XML attachment because text/xml is among the allowed types for a preview.
Date published : 2020-06-08
https://roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12