cvedb.io
CVE-2026-9242
MEDIUM · CVSS 5.3
EPSS exploitation probability: 0%
Published 2026-06-27T08:16:45.893 · Last modified 2026-06-29T18:40:23.203

Summary

The RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login plugin for WordPress is vulnerable to Authentication Bypass via Insufficient Verification of Data Authenticity in all versions up to and including 6.0.8.6. This is due to the PayPal IPN `callback` handler being registered as a nopriv AJAX action with no authentication or nonce requirement, and critically because the handler updates the payment log database row with attacker-controlled POST data — including `payment_status` and the `custom` field encoding the target `user_id` — before PayPal IPN validation is performed, meaning the database remains poisoned even when validation subsequently fails. This makes it possible for unauthenticated attackers to authenticate as any WordPress user, including

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.