KiviCare <= 4.4.0 - Missing Authorization to Unauthenticated Payment Bypass and Appointment Status Manipulation via /payment-success REST Endpoint

5.3
Missing Authorization
CVE CVE-2026-11990
CVSS 5.3 (Medium)
Publicly Published July 9, 2026
Last Updated July 10, 2026
Researcher Niv Kochan

Description

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.

References

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Vulnerability Details for KiviCare – Clinic & Patient Management System (EHR)

Software Type Plugin
Software Slug kivicare-clinic-management-system (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.5.0, or a newer patched version
Affected Version
  • <= 4.4.0
Patched Version
  • 4.5.0

Recent vulnerabilities in KiviCare – Clinic & Patient Management System (EHR)

# Title CVE ID CVSS Researchers Date
1 KiviCare – Clinic & Patient Management System (EHR) <= 4.5.4 - Unauthenticated Information Exposure CVE-2026-13611 5.3 Sai Praneeth Koti August 28, 2026
2 KiviCare – Clinic & Patient Management System (EHR) < 4.5.4 - Missing Authorization CVE-2026-19416 4.3 Erwan LR August 21, 2026
3 KiviCare – Clinic & Patient Management System (EHR) < 4.5.4 - Missing Authorization CVE-2026-19417 4.3 Erwan LR August 21, 2026
4 KiviCare <= 4.5.1 - Authenticated (Doctor+) SQL Injection via 'searchTerm' Parameter CVE-2026-15453 6.5 Wordfence PRISM August 14, 2026
5 KiviCare – Clinic & Patient Management System (EHR) < 4.5.2 - Unauthenticated Privilege Escalation CVE-2026-13610 9.8 Sai Praneeth Koti August 14, 2026
6 KiviCare – Clinic & Patient Management System (EHR) < 4.5.2 - Authenticated (Custom role+) Information Exposure CVE-2026-13612 4.3 Sai Praneeth Koti August 13, 2026
7 KiviCare <= 4.5.1 - Authenticated (Authenticated+) SQL Injection CVE-2026-13613 6.5 Mokksh Parekh August 10, 2026
8 KiviCare <= 4.5.0 - Authenticated (Doctor+) SQL Injection via 'orderby' Parameter in KCQueryBuilder CVE-2026-15072 6.5 Wordfence PRISM July 10, 2026
9 KiviCare <= 4.5.0 - Authenticated (Doctor+) SQL Injection via 'orderby' Parameter in DoctorSessionController CVE-2026-15073 6.5 Wordfence PRISM July 10, 2026
10 KiviCare – Clinic & Patient Management System (EHR) <= 4.3.0 - Missing Authorization CVE-2026-42735 5.3 kai63001 May 26, 2026

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