Cannot login to WordPress admin dashboard of Plesk hosted site: Too many redirects

Symptoms

• Cloudflare Flexible SSL is enabled for the domain;

• Static files, such as .css, cannot be loaded: too many redirects:

  # curl http://example.com/wp-content/themes/twentyseventeen/style.css
  curl: (47) Maximum (50) redirects followed

• Logging into WordPress instance, or Admin Dashboard is impossible:

  

Cause

Cloudflare with WordPress requires installing the Cloudflare plugin.

Resolution

1. Log into Plesk

2. Navigate to Plesk > WordPress >  example.com > Plugins:

3. Click on Install;

4. Type "CloudFlare" in the search box and install the official plugin:

   

Additional information

Using the Cloudflare plugin with WordPress