What is CVE-2026-16582?

CVE-2026-16582 is a medium-severity vulnerability in Melograno Booking For Appointments And Events Calendar – Amelia, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-09-17.

How severe is CVE-2026-16582?

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

Auth bypass in Melograno Booking For Appointments And Events Calendar – Amelia

CVE-2026-16582

The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to unauthorized modification of data in all versions up to, and including, 2.4.5. This is due to the plugin accepting a client-supplied package-redemption identifier as proof of payment without validating it. This makes it possible for unauthenticated attackers to create approved appointment bookings without completing payment

Vulnerability class: Broken Access Control

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

Melograno Booking For Appointments And Events Calendar – Amelia

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2026-16582?: CVE-2026-16582 is a medium-severity vulnerability in Melograno Booking For Appointments And Events Calendar – Amelia, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-09-17.
How severe is CVE-2026-16582?: Medium severity. CVSS v3 base score is 5.3 out of 10.