What is CVE-2026-15254?

CVE-2026-15254 is a medium-severity vulnerability in Simply Schedule Appointments, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-08-03.

How severe is CVE-2026-15254?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Simply Schedule Appointments

CVE-2026-15254

The Simply Schedule Appointments WordPress plugin before 1.6.12.11 does not perform a capability check on an administrative appointment-listing shortcode, and its per-user result scoping fails open for non-staff users, allowing users with…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Unknown Simply Schedule Appointments — versions 0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-15254?: CVE-2026-15254 is a medium-severity vulnerability in Simply Schedule Appointments, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-08-03.
How severe is CVE-2026-15254?: Medium severity. CVSS v3 base score is 6.5 out of 10.