Ticket #32073: 32073-1.patch

wp-includes/capabilities.php

@@ -1098 +1098 @@
                 break;
         case 'delete_post':
         case 'delete_page':
+        if ( ! isset( $args[0] ) )
+            break;
+
                 $post = get_post( $args[0] );
 
                 if ( 'revision' == $post->post_type ) {
@@ -1142 +1145 @@
                 // edit_others_posts
         case 'edit_post':
         case 'edit_page':
+        if ( ! isset( $args[0] ) )
+            break;
+
                 $post = get_post( $args[0] );
                 if ( empty( $post ) )
                         break;
@@ -1186 +1192 @@
                 break;
         case 'read_post':
         case 'read_page':
+        if ( ! isset( $args[0] ) )
+            break;
+
                 $post = get_post( $args[0] );
 
                 if ( 'revision' == $post->post_type ) {
@@ -1217 +1226 @@
                 }
                 break;
         case 'publish_post':
+        if ( ! isset( $args[0] ) )
+            break;
+
                 $post = get_post( $args[0] );
                 $post_type = get_post_type_object( $post->post_type );
 
@@ -1225 +1237 @@
         case 'edit_post_meta':
         case 'delete_post_meta':
         case 'add_post_meta':
+        if ( ! isset( $args[0] ) )
+            break;
+
                 $post = get_post( $args[0] );
                 $caps = map_meta_cap( 'edit_post', $user_id, $post->ID );