CVE-2026-2520

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

MEDIUM
5.4
CVSS Score
Published: September 8, 2026 at 11:30 AM UTC
Updated: September 8, 2026 at 01:31 PM UTC
1 product affected across 1 vendorBookly

Using Online Scheduling and Appointment Booking System – Bookly by ladela?

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Bookly· Ladelawordpress-plugin
60%
v ≤ 27.2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMWordfence
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862

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