What is CVE-2026-2520?

CVE-2026-2520 is a medium-severity vulnerability in Ladela Online Scheduling And Appointment Booking System – Bookly, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-09-08.

How severe is CVE-2026-2520?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Ladela Online Scheduling And Appointment Booking System – Bookly

CVE-2026-2520

The Online Scheduling and Appointment Booking System – Bookly plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'updateAddon' function in all versions up to, and including, 27.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update any plugin with a main file of 'main.php' to its latest version.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Ladela Online Scheduling And Appointment Booking System – Bookly

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2026-2520?: CVE-2026-2520 is a medium-severity vulnerability in Ladela Online Scheduling And Appointment Booking System – Bookly, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-09-08.
How severe is CVE-2026-2520?: Medium severity. CVSS v3 base score is 5.4 out of 10.