Parallels is pleased to introduce the new Micro-Update #51 for the 10.4.4 version of Parallels Plesk Panel (PP).
The 10.4.4 MU#51 update is recommended for all PP users and includes general functionality fixes that improve the stability, compatibility, and security of your PP server.
To ensure optimal server reliability and security, Parallels strongly recommends keeping your operating system and PP software up-to-date.
The following bug has been fixed:
(Debian & Ubuntu) Potential security issue after upgrade from old Plesk versions.
This MU is strongly recommended for all Parallels Plesk Panel users on Debian and Ubuntu systems.
#9294: Using Micro-Updates in Parallels Plesk Panel