CVE-2026-12626

HIGH 7.2

Online Scheduling and Appointment Booking System <= 28.2 - Authenticated (Custom+) PHP Object Injection via 'value' Parameter

CVSS Score

7.2

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-502
Vendor	ladela
Product	online scheduling and appointment booking system – bookly
Published	Oct 10, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

ladela / Online Scheduling and Appointment Booking System – Bookly

0 ≤ 28.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/56c5e045-e91c-4517-8164-a21c3e99623b?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3707284/bookly-responsive-appointment-booking-tool

Credits

Muni Nitish Kumar Yaddala (Stranger825)