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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.

PUBLISHED Reserved 2026-04-30 | Published 2026-05-28 | Updated 2026-05-28 | Assigner Wordfence




MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Problem types

CWE-352 Cross-Site Request Forgery (CSRF)

Product status

Default status
unaffected

Any version
affected

Timeline

2026-04-30:Vendor Notified
2026-05-27:Disclosed

Credits

M Indra Purnama finder

References

www.wordfence.com/...-459c-4cad-823b-2a94ac901410?source=cve

plugins.trac.wordpress.org/...Gateways/Square/Connection.php

plugins.trac.wordpress.org/...Gateways/Square/Connection.php

plugins.trac.wordpress.org/...rc/Gateways/Square/Gateway.php

plugins.trac.wordpress.org/...rc/Gateways/Square/Gateway.php

plugins.trac.wordpress.org/...Gateways/Square/Connection.php

plugins.trac.wordpress.org/...Gateways/Square/Connection.php

plugins.trac.wordpress.org/...ownloads&sfp_email=&sfph_mail=

cve.org (CVE-2026-7533)

nvd.nist.gov (CVE-2026-7533)

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