Auth bypass in Zealopensource Smart Appointment & Booking

CVE-2026-5693

The Smart Appointment & Booking plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check and a nonce validation logic flaw in the saab_cancel_booking() function in all versions up to, and in…

Vulnerability class: Broken Access Control

EPSS: 0.000 (10.6th 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:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-5693?
CVE-2026-5693 is a medium-severity vulnerability in Zealopensource Smart Appointment & Booking, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-05-12.
How severe is CVE-2026-5693?
Medium severity. CVSS v3 base score is 5.3 out of 10.