The Online Scheduling and Appointment Booking System WordPress plugin before 28.3 does not prevent deserialization of untrusted input and does not correctly restrict a privileged maintenance feature to administrators, allowing users granted a custom booking-management capability, which an administrator must explicitly assign, to inject arbitrary PHP objects, overwrite privileged site options, and read stored integration secrets.
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Fixes

Solution

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Workaround

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History

Sun, 27 Sep 2026 08:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
CWE-502

Sun, 27 Sep 2026 06:15:00 +0000

Type Values Removed Values Added
Description The Online Scheduling and Appointment Booking System WordPress plugin before 28.3 does not prevent deserialization of untrusted input and does not correctly restrict a privileged maintenance feature to administrators, allowing users granted a custom booking-management capability, which an administrator must explicitly assign, to inject arbitrary PHP objects, overwrite privileged site options, and read stored integration secrets.
Title Bookly 23.2 - 28.2 - Bookly Administrator+ PHP Object Injection via Diagnostics Advanced Options
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-27T06:00:20.482Z

Reserved: 2026-09-08T14:44:08.802Z

Link: CVE-2026-86841

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-27T06:17:17.293

Modified: 2026-09-27T06:17:17.293

Link: CVE-2026-86841

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-27T08:00:08Z

Weaknesses