-
Yes. If WordPress is installed with the default configuration, the reconnaissance techniques discussed in this chapter are enough to get information on all versions of WordPress.
-
If the wp-admin directory is not accessible, you can always try the wp-login.php file. The file is accessible to users with normal privilege settings and for the wp-admin directory as well. In case you're still not able to access it, try adding the wp-login.php?action=register query to the URI.
-
Yes, it is. WordPress is an open source CMS that is used widely. Unlike WordPress core, some of the themes and templates are under the paid subscription license.