PoC Index85,100 CVEs with PoCs

CVE-2026-19416

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

MEDIUM 4.3EPSS 0.3%

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.

Affected
KiviCare
CVSS v3.1 CNA
4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS
0.27% chance of exploitation in the next 30 days, 17th percentile
Published
2026-08-19

Proof-of-concept exploits (1)

References