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Upgrade/Install: Sanitize file name in File_Upload_Upgrader.

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Merge of [38524] to the 3.9 branch.
Built from https://develop.svn.wordpress.org/branches/3.9@38532


git-svn-id: http://core.svn.wordpress.org/branches/3.9@38473 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Pascal Birchler 2016-09-06 18:03:16 +00:00
parent 41276a8b92
commit 391fa0940c
1 changed files with 5 additions and 1 deletions
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6
wp-admin/includes/class-wp-upgrader.php
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@ -1695,8 +1695,12 @@ 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' ) );
}
}
}