Please advise how to set "absolute path" instead of relative path in Drupal 8.4.4

Please advise how to use absolute path instead of relative path in Drupal 8.4.4
due to we’ve to pass the security scan for this issu “Path Manipulation: Relative Path Overwrite”.
So I have to use absolute path in all css and js.

Drupal version: 


Source: https://www.drupal.org/taxonomy/term/2/feed