The 11.0.9 MU#9 update is recommended for all Plesk users and includes general functionality fixes that improve the stability, compatibility, and security of your Plesk server.
Parallels strongly recommends to ensure optimal server reliability and security to keep your operating system up to date as well as Plesk software.
The following bugs have been fixed:
[*] Minor security enhancements.
[-] PHP pages redirect to port 7080 or 7081 if Nginx is enabled.