What is CVE-2026-7493?

CVE-2026-7493 is a medium-severity vulnerability in Croixhaug Appointment Booking Calendar — Simply Schedule Appointments Plugin, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-05-27.

How severe is CVE-2026-7493?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Croixhaug Appointment Booking Calendar — Simply Schedule Appointments Plugin

CVE-2026-7493

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to denial of service in all versions up to, and including, 1.6.11.5. This is due to a publicly accessible REST API endpoint (…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.001 (20.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Croixhaug Appointment Booking Calendar — Simply Schedule Appointments Plugin — versions 0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

Frequently asked questions

What is CVE-2026-7493?: CVE-2026-7493 is a medium-severity vulnerability in Croixhaug Appointment Booking Calendar — Simply Schedule Appointments Plugin, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-05-27.
How severe is CVE-2026-7493?: Medium severity. CVSS v3 base score is 5.3 out of 10.