Don't improperly cast IDs when fetching post, user, or term objects.

Blindly casting passed IDs to integers can generate false positives
when the ID is cast to `1`.

Props deeptiboddapati.
Fixes #37738.

git-svn-id: https://develop.svn.wordpress.org/trunk@38381 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Boone Gorges
2016-08-26 19:08:23 +00:00
parent 8b431f6859
commit 6eaa56f3d4
6 changed files with 325 additions and 6 deletions

View File

@@ -191,11 +191,12 @@ final class WP_Comment {
public static function get_instance( $id ) {
global $wpdb;
$comment_id = (int) $id;
if ( ! $comment_id ) {
if ( ! is_numeric( $id ) || $id != floor( $id ) || ! $id ) {
return false;
}
$comment_id = (int) $id;
$_comment = wp_cache_get( $comment_id, 'comment' );
if ( ! $_comment ) {