CVE-2026-19416

MEDIUMCVSS 4.3/10EPSS 0.19%

Last modified

CVE-2026-19416 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.19%

8.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
UnknownKiviCare< 4.5.4

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-19416?
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.
How severe is CVE-2026-19416?
CVE-2026-19416 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2026-19416?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST