Ticket #8309: 8309.1.diff

post.php

@@ -21 +21 @@
  * @since 2.0.0
  * @uses apply_filters() Calls 'get_attached_file' on file path and attachment ID.
  *
- * @param int $attachment_id Attachment ID
- * @param bool $unfiltered Whether to apply filters or not
+ * @param int $attachment_id Attachment ID.
+ * @param bool $unfiltered Whether to apply filters or not.
  * @return string The file path to the attached file.
  */
 function get_attached_file( $attachment_id, $unfiltered = false ) {
@@ -2418 +2418 @@
 
         $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->postmeta WHERE post_id = %d ", $postid ));
 
+        $uploadPath = wp_upload_dir();
+
         if ( ! empty($meta['thumb']) ) {
                 // Don't delete the thumb if another attachment uses it
                 if (! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%'.$meta['thumb'].'%', $postid)) ) {
                         $thumbfile = str_replace(basename($file), $meta['thumb'], $file);
                         $thumbfile = apply_filters('wp_delete_file', $thumbfile);
-                        @ unlink($thumbfile);
+                        @ unlink( path_join($uploadPath['basedir'], $thumbfile) );
                 }
         }
 
@@ -2432 +2434 @@
         foreach ( $sizes as $size ) {
                 if ( $intermediate = image_get_intermediate_size($postid, $size) ) {
                         $intermediate_file = apply_filters('wp_delete_file', $intermediate['path']);
-                        @ unlink($intermediate_file);
+                        @ unlink( path_join($uploadPath['basedir'], $intermediate_file) );
                 }
         }