CVE-2026-13611: Unknown Kivicare

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

The KiviCare WordPress plugin before 4.5.5 does not perform authorization checks on some of its REST endpoints, allowing unauthenticated attackers to disclose the patient roster and, when a payment gateway is configured, the payment gateway secret key.

Affected products

• Unknown Kivicare: before 4.5.5 (fixed in 4.5.5)

Published 2026-09-01. Last modified 2026-09-01.