We’re getting further feedback on the site issues, it looks like the site was breached/hacked, a day or 2 after installation, this has never happened to us before (so soon after theme installation), so we deleted this installation (it was still relatively new) and re-created the site, loading Wordfence up-front and Login Recaptcha, a day or 2 later, we got this message from Wordfence:
This email was sent from your website “Claue” by the Wordfence plugin.
Wordfence found the following new issues on “Claue” (1 existing issue was also found again).
Alert generated at Wednesday 7th of October 2020 at 02:30:47 PM
See the details of these scan results on your site at: https://adventure-addicts.com/wp-admin/admin.php?page=WordfenceScan
Medium Severity Problems:
* The Plugin “Blogger Importer” appears to be abandoned (updated April 3, 2017, tested to WP 4.3.24).