Ticket #32112: 32112.3.diff

src/wp-includes/post.php

@@ -4992 +4992 @@
                 $url = get_the_guid( $post->ID );
         }
 
-        /*
-         * If currently on SSL, prefer HTTPS URLs when we know they're supported by the domain
-         * (which is to say, when they share the domain name of the current SSL page).
-         */
-        if ( is_ssl() && 'https' !== substr( $url, 0, 5 ) && parse_url( $url, PHP_URL_HOST ) === $_SERVER['HTTP_HOST'] ) {
-                $url = set_url_scheme( $url, 'https' );
+        if ( is_ssl() && ! is_admin() && 'wp-login.php' !== $GLOBALS['pagenow'] ) {
+                $url = set_url_scheme( $url );
         }
 
         /**