CVE-2026-2991 - Vulnerability Analysis

Overview

KiviCare – Clinic & Patient Management System (EHR) WordPress plugin <= 4.1.2 contains an authentication bypass caused by patientSocialLogin() not verifying social provider access tokens, letting unauthenticated attackers log in as any patient, exploit requires crafted access token and email.

Severity & Score

Impact

Unauthenticated attackers can access sensitive patient data and potentially administrative sessions, leading to data breach and unauthorized access.

Mitigation

Update to a version later than 4.1.2 or apply vendor patches.

References

• https://plugins.trac.wordpress.org/browser/kivicare-clinic-management-system/trunk/app/controllers/api/AuthController.php#L1852
• https://plugins.trac.wordpress.org/browser/kivicare-clinic-management-system/trunk/app/controllers/api/AuthController.php#L284
• https://plugins.trac.wordpress.org/changeset/3467409/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/8d22448b-aa8e-4775-b7c5-e7bae94a3f6d?source=cve

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 18, 2026

🔴 CVE-2026-2991 - Critical (9.8) The KiviCare – Clinic & Patient Management System (EHR) plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 4.1.2. This is due to the `patientSocialLogin()` function not verifying the social provider... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-2991/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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GitHub Repositories(1 repo)

• https://github.com/joshuavanderpoll/CVE-2026-2991

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner