EUVD-2026-12839CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
Lifecycle Timeline
3Description
The KiviCare - Clinic & Patient Management System (EHR) plugin for WordPress is vulnerable to Privilege Escalation due to missing authorization on the `/wp-json/kivicare/v1/setup-wizard/clinic` REST API endpoint in all versions up to, and including, 4.1.2. This makes it possible for unauthenticated attackers to create a new clinic and a WordPress user with clinic admin privileges.
Analysis
The KiviCare clinic management plugin for WordPress contains a critical privilege escalation vulnerability allowing unauthenticated attackers to create new clinics and administrative users through an unprotected REST API endpoint. All versions up to and including 4.1.2 are affected. …
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Remediation
Within 24 hours: Audit all user accounts and clinics created in the past 90 days for suspicious activity; immediately disable the KiviCare plugin if clinic management can be paused. Within 7 days: Implement WAF rules to block requests to vulnerable REST API endpoints (/wp-json/kivicare/); enable IP allowlisting for administrative access; conduct forensic review of audit logs. …
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External POC / Exploit Code
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