location /themesetup {
root $MAGE_ROOT;
location ~ ^/themesetup/index.php {
### This fixes the problem:
fastcgi_split_path_info ^(.+?\.php)(/.*)$;
################################
fastcgi_pass fastcgi_backend;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
}
location ~ ^/themesetup/(?!pub/). {
deny all;
}
location ~ ^/themesetup/pub/ {
add_header X-Frame-Options "SAMEORIGIN";
}}