View file upload/uploads/.htaccess
<FilesMatch "\.([Pp][Hh][Pp]|[Cc][Gg][Ii]|[Pp][Ll]|[Pp][Hh][Tt][Mm][Ll])\.?">
<IfModule mod_authz_core.c>
Require all denied
</IfModule>
<IfModule !mod_authz_core.c>
Order allow,deny
Deny from all
</IfModule>
</FilesMatch>