CVE-2026-2520

Medium

Description

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.

SeverityMedium
CVSS5.4
Exploit probability—
ProductOnline Scheduling and Appointment Booking System – Bookly
PublishedSep 8, 2026
First seenSep 8, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
ladela Online Scheduling and Appointment Booking System – Booklyv ≤ 27.2—

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