Добавить .htaccess
файл для подкаталога WordPress.
<IfModule mod_rewrite.c>
RewriteEngine on
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{HTTPS} !=on
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [R=301,L]
RewriteRule ^(/)?$ index.php [L]
</IfModule>