CVE-2021-4407

Name of the Vulnerable Software and Affected Versions Custom Banners plugin for WordPress versions up to and including 3.2.2

Description The issue is related to Cross-Site Request Forgery due to missing or incorrect nonce validation on the saveCustomFields() function. This allows unauthenticated attackers to save custom fields via a forged request if they can trick a site administrator into performing a specific action.

Recommendations For Custom Banners plugin for WordPress versions up to and including 3.2.2, consider disabling the saveCustomFields() function until a patch is available to prevent exploitation.