Changeset 38524

Timestamp:

09/06/2016 05:25:22 PM (8 years ago)

Author:

swissspidy

Message:

Upgrade/Install: Sanitize file name in File_Upload_Upgrader.

File:

• trunk/src/wp-admin/includes/class-file-upload-upgrader.php (modified) (1 diff)

trunk/src/wp-admin/includes/class-file-upload-upgrader.php

@@ -101 +101 @@
                 wp_die( $uploads['error'] );
 
-            $this->filename = $_GET[$urlholder];
+            $this->filename = sanitize_file_name( $_GET[ $urlholder ] );
             $this->package = $uploads['basedir'] . '/' . $this->filename;
+
+            if ( 0 !== strpos( realpath( $this->package ), realpath( $uploads['basedir'] ) ) ) {
+                wp_die( __( 'Please select a file' ) );
+            }
         }
     }