CVE-2026-19416CWE-639

CVE-2026-19416

Medium · published August 19, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
17.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00265 · 17.4th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-08-19T10:17Z
References (1)
https://wpscan.com/vulnerability/ef2aa44b-3624-4e6d-9b25-e33d4a1a21d2/ · [email protected]
EPSS history
Timeline
  • 19 AUG 06:00Z
    KiviCare < 4.5.4 - Patient+ Cross-Patient Appointment Modification via IDOR
    cvelistv5