WordPress security changelog
MEDIUM CVE-2026-13611 Deferred

KiviCare REST authorization failures expose patients and payment secrets

KiviCare before 4.5.5 omits authorization checks from some REST endpoints. An unauthenticated attacker can retrieve the patient roster and, when a payment gateway is configured, disclose its secret key.

CVE / CNA score 5.3 CVSS 3.1 · contact@wpscan.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
KiviCare
Plugin slug
kivicare-clinic-management-system
Affected
< 4.5.5
Safe version
4.5.5
Published
Sep 01, 2026
Weakness
CWE-200 — Exposure of Sensitive Information to an Unauthorized Actor
CWE-862 — Missing Authorization

This CVE was published Sep 01, 2026 and is one of 22 known issues for this plugin.

Update, patch or deactivate.

Update to KiviCare 4.5.5 or later. If an affected payment gateway was configured, rotate its secret key and review REST access and payment activity.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

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.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary and upstream sources