Advisory #: 815
Title: Reflected XSS in wordpress plugin free-comments-for-wordpress-vuukle v1.20
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/free-comments-for-wordpress-vuukle
Downloads: 1719
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: free-comments-for-wordpress-vuukle
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./free-comments-for-wordpress-vuukle/vuukle.php: 615: echo $_REQUEST['callback'], '(', $json_string, ');'; The variable callback appears to send unsanitized data back to the users browser.
CVE-ID: Not Released
File:./free-comments-for-wordpress-vuukle/vuukle.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. http://[target]/wp-content/plugins/free-comments-for-wordpress-vuukle/vuukle.php?callback="><script>alert(1);</script><"