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The KiviCare – Clinic & Patient Management System (EHR) plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.4.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to mark arbitrary pending appointments as Confirmed and forge an associated completed payment record in wp_kc_payments_appointment_mappings using an attacker-supplied payment ID, bypassing payment entirely. This exploit is achievable on a default installation because the gateway resolution logic returns all registered gateways regardless of admin-enabled status, making the manual (KCPayLater) gateway always selectable.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Kivicare Clinic Management System Plugin | — | Update kivicare-clinic-management-system plugin to version 4.5.0, or a newer patched version | Jul 10, 2026 | Jul 9, 2026 |
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