CVE-2018-19206

steps/mail/func.inc in Roundcube before 1.3.8 has XSS via crafted use of , as demonstrated by an onload attribute in a BODY element, within an HTML attachment.

CVE-2018-19205

Roundcube before 1.3.7 mishandles GnuPG MDC integrity-protection warnings, which makes it easier for attackers to obtain sensitive information, a related issue to CVE-2017-17688. This is associated with plugins/enigma/lib/enigma_driver_gnupg.php.