CVE-2026-2520EPSS p10.5%

CVE-2026-2520CVE-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.

Scoring

CVSS 5.4 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
EPSS0.21% probability of exploitation · percentile 10.5% · 2026-10-05T12:00:23Z
Last modified2026-09-08
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.