What is CVE-2026-12626?

CVE-2026-12626 is a high-severity vulnerability in Ladela Online Scheduling And Appointment Booking System – Bookly, classified under Deserialization of Untrusted Data. CVSS score: 7.2/10. Published 2026-10-10.

How severe is CVE-2026-12626?

High severity. CVSS v3 base score is 7.2 out of 10.

Deserialization in Ladela Online Scheduling And Appointment Booking System – Bookly

CVE-2026-12626

The Online Scheduling and Appointment Booking System – Bookly plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 28.2 via deserialization of untrusted input via the ‘value’ parameter. This makes it possible for authenticated attackers, with custom-level access and above, to inject a PHP Object. No known gadget chain is available.

Vulnerability class: Insecure Deserialization

Published 2026-10-10.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Ladela Online Scheduling And Appointment Booking System – Bookly

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

Frequently asked questions

What is CVE-2026-12626?: CVE-2026-12626 is a high-severity vulnerability in Ladela Online Scheduling And Appointment Booking System – Bookly, classified under Deserialization of Untrusted Data. CVSS score: 7.2/10. Published 2026-10-10.
How severe is CVE-2026-12626?: High severity. CVSS v3 base score is 7.2 out of 10.