Role/Capability: Only users who can manage options should be able to trash/delete the page for posts or the front page, as they are the only users who can restore it or subsequently alter the "Front page displays" setting.

Fixes #37580
Props JakePT

Built from https://develop.svn.wordpress.org/trunk@38378


git-svn-id: http://core.svn.wordpress.org/trunk@38319 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/capabilities.php

@@ -67,6 +67,11 @@ function map_meta_cap( $cap, $user_id ) {
 			}
 		}
 
+		if ( ( get_option( 'page_for_posts' ) == $post->ID ) || ( get_option( 'page_on_front' ) == $post->ID ) ) {
+			$caps[] = 'manage_options';
+			break;
+		}
+
 		$post_type = get_post_type_object( $post->post_type );
 		if ( ! $post_type ) {
 			/* translators: 1: post type, 2: capability name */

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38377';
+$wp_version = '4.7-alpha-38378';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.