Upgrade/Install: Sanitize file name in File_Upload_Upgrader.

Merge of [38524] to the 4.3 branch.
Built from https://develop.svn.wordpress.org/branches/4.3@38528


git-svn-id: http://core.svn.wordpress.org/branches/4.3@38469 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Pascal Birchler 2016-09-06 17:51:24 +00:00
parent 5d6b13a4d9
commit 98e3e2e137

View File

@ -2464,8 +2464,12 @@ class File_Upload_Upgrader {
if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) )
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' ) );
}
}
}