Medium 5.4Published Sep 8, 2026

CVE-2026-2520Online Scheduling and Appointment Booking System – Bookly <= 27.2 - Missing Authorization to Authenticated (Subscriber+) Limited Arbitrary Plugin Update

Updated under an hour ago (2026-10-19 09:40 UTC)

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It affects ladela Online Scheduling and Appointment Booking System – Bookly. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for ladela Online Scheduling and Appointment Booking System – Bookly

Exploited in the last 30 days

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.

CVSS: 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Wordfence
NVD analysis: Deferred
Record last updated: Sep 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

ladela Online Scheduling and Appointment Booking System – Bookly ladela:online_scheduling_and_appointment_booking_system_bookly (from the name)	through 27.2	CNA record

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/b7edc69b-363d-49df-b82b-a9ad4fe9224a?source=cve
https://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/trunk/lib/PluginsUpdater.php#L105
https://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/trunk/lib/PluginsUpdater.php#L10
https://plugins.trac.wordpress.org/changeset/3504922/

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.