CVE-2026-19416

KiviCare < 4.5.4 - Patient+ Cross-Patient Appointment Modification via IDOR

Published Aug 19, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
The KiviCare WordPress plugin before 4.5.4 does not verify that the requesting user owns the appointment being modified, allowing authenticated patient-level users to cancel and reschedule other patients' appointments.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions kivi Care
Vendors & Products Wordpress-extensions
Wordpress-extensions kivi Care
Type Values Removed Values Added
Weaknesses CWE-639
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description The KiviCare WordPress plugin before 4.5.4 does not verify that the requesting user owns the appointment being modified, allowing authenticated patient-level users to cancel and reschedule other patients' appointments.
Title KiviCare < 4.5.4 - Patient+ Cross-Patient Appointment Modification via IDOR
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 19, 2026, 4:35 PM
Reserved
Aug 10, 2026, 10:15 AM
Status
Deferred
Published
Aug 19, 2026, 6:17 AM
Modified
Nov 9, 2026, 8:10 PM