Medium severity5.4NVD Advisory· Published Sep 8, 2026
CVE-2026-2520
CVE-2026-2520
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.
Affected products
1Patches
Vulnerability mechanics
References
4- plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/trunk/lib/PluginsUpdater.phpnvd
- plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/trunk/lib/PluginsUpdater.phpnvd
- plugins.trac.wordpress.org/changeset/3504922/nvd
- www.wordfence.com/threat-intel/vulnerabilities/id/b7edc69b-363d-49df-b82b-a9ad4fe9224anvd
News mentions
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