Yesterday, an explot was found during a Vesta update. If you weren't ddosed yet, you'll be likely too. Backup all your data and do a simple install with LAMP, LEMP, whatever.

Some info here:

digitalocean.com/community/que…ility-from-april-8th-2018

forum.vestacp.com/viewtopic.php?f=10&t=16556