From 76a7d5006942b522a0a87b3676073202f6b30990 Mon Sep 17 00:00:00 2001
From: Andrew Nacin <nacin@git.wordpress.org>
Date: Mon, 15 Nov 2010 18:06:57 +0000
Subject: [PATCH] Sanity cast. see #15192.

git-svn-id: https://develop.svn.wordpress.org/trunk@16389 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/post.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/wp-includes/post.php b/wp-includes/post.php
index 189eae1765..96f03ebb2f 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -5268,6 +5268,7 @@ function get_post_format_string( $slug ) {
  */
 function set_post_thumbnail( $post, $thumbnail_id ) {
 	$post = get_post( $post );
+	$thumbnail_id = absint( $thumbnail_id );
 	if ( $post && $thumbnail_id && get_post( $thumbnail_id ) ) {
 		$thumbnail_html = wp_get_attachment_image( $thumbnail_id, 'thumbnail' );
 		if ( ! empty( $thumbnail_html ) ) {