High severity7.2NVD Advisory· Published Oct 10, 2026

CVE-2026-12626

Description

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.

Affected products

WordPress/Booklyllm-fuzzy
Range: <=28.2

Patches

Vulnerability mechanics

References

plugins.trac.wordpress.org/changeset/3707284/bookly-responsive-appointment-booking-toolnvd
www.wordfence.com/threat-intel/vulnerabilities/id/56c5e045-e91c-4517-8164-a21c3e99623bnvd

News mentions

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cvss	0.468
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000