CVE-2026-11990 Missing authorization in KiviCare – Clinic & Patient Management System (EHR)
Unauthenticated attackers can bypass payment checks and confirm arbitrary appointments in the KiviCare WordPress plugin due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-11990?
CVE-2026-11990 is a medium-severity missing authorization vulnerability in iqonicdesign KiviCare – Clinic & Patient Management System (EHR), published on 10 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-11990?
How do I fix CVE-2026-11990?
No fix has been published for CVE-2026-11990 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-11990 being exploited?
There is no known exploitation of CVE-2026-11990 in the wild and no public exploit code.
Sources
Also known as GHSA-9wwr-q273-mfwg.