Translations:Manual:Security/37/en

If you create a new MySQL/MariaDB user for MediaWiki through MediaWiki's installer, somewhat liberal access is granted to it to ensure that it will work from a second server as well as a local one. You might consider manually narrowing this or establishing the user account yourself with custom permissions from just the places you need. The database user only needs to have SELECT, INSERT, UPDATE and DELETE permissions for the database.