Yesterday Roundcube 1.3.6 was released with an important security update. Plesk, please update your included Roundcube packages for Plesk 12.5 and Onyx. Currently you are providing an insecure version of Roundcube bundled with Plesk.
From roundcube/roundcubemail
This is a security update to the stable version 1.3. It primarily fixes a recently discovered IMAP command injection vulnerability caused by insufficient input validation within the archive plugin. Details about the vulnerability are published under CVE-2018-9846.
Additionally, we back-ported some minor fixes from the master branch which improve PHP 7.2 compatibility as well as PGP signing and key handling for those who use the Enigma plugin. See the complete changelog below.
We strongly recommend to update all productive installations of Roundcube.
Please do backup your data before updating!
From roundcube/roundcubemail
This is a security update to the stable version 1.3. It primarily fixes a recently discovered IMAP command injection vulnerability caused by insufficient input validation within the archive plugin. Details about the vulnerability are published under CVE-2018-9846.
Additionally, we back-ported some minor fixes from the master branch which improve PHP 7.2 compatibility as well as PGP signing and key handling for those who use the Enigma plugin. See the complete changelog below.
We strongly recommend to update all productive installations of Roundcube.
Please do backup your data before updating!