I am receiving this warning on WordPress, I seem to remember getting something like this years ago and I got hacked.I need to know if this is correct?
All-in-One Event Calendar
Cache directories, /home/content/68/9053468/html/wp-content/plugins/all-in-one-event-calendar/cache/, are not writable. Your calendar will perform more slowly until you make this directory writable by the web server.
https://wordpress.org/plugins/all-in-one-event-calendar/