'preview' query var is not removed from post URL if a post has been published
|Reported by:||amit||Owned by:|
If a post has been published, it can be loaded via a URL containing 'p' & 'preview' query vars and a canonical redirect is not done to post permalink which results in two URLs with same content and causes a duplicate content issue with search engines like Google.
would redirect to
does not redirect anywhere & remains same. So if this URL is somehow indexed by search engines they would have two URLs with same content:
and thus the duplicate content penalization.