CVE-2026-7533

Description

The Easy Digital Downloads plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.6.7. This is due to missing nonce verification in the `handle_oauth_redirect()` function, which is registered on the `admin_init` hook and processes Square OAuth tokens from a user-supplied GET parameter without any CSRF token validation. This makes it possible for unauthenticated attackers to overwrite the store's Square payment gateway credentials by tricking a logged-in administrator into clicking a crafted link, potentially resulting in payment account hijacking.

CVSS Vector

References

• https://plugins.trac.wordpress.org/browser/easy-digital-downloads/tags/3.6.5/src/Gateways/Square/Connection.php#L47
• https://plugins.trac.wordpress.org/browser/easy-digital-downloads/tags/3.6.5/src/Gateways/Square/Connection.php#L58
• https://plugins.trac.wordpress.org/browser/easy-digital-downloads/tags/3.6.5/src/Gateways/Square/Gateway.php#L114
• https://plugins.trac.wordpress.org/browser/easy-digital-downloads/trunk/src/Gateways/Square/Connection.php#L47
• https://plugins.trac.wordpress.org/browser/easy-digital-downloads/trunk/src/Gateways/Square/Connection.php#L58
• https://plugins.trac.wordpress.org/browser/easy-digital-downloads/trunk/src/Gateways/Square/Gateway.php#L114
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3536197%40easy-digital-downloads&old=3511193%40easy-digital-downloads&sfp_email=&sfph_mail=#file6607
• https://www.wordfence.com/threat-intel/vulnerabilities/id/e375f761-459c-4cad-823b-2a94ac901410?source=cve