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CVE-2026-86841

MEDIUM 4.7 CVSS 3.1
Published
September 27, 2026
Last modified
September 28, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-502
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

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.

Affected WordPress components

  • Online Scheduling and Appointment Booking System – Bookly Plugin · bookly-responsive-appointment-booking-tool
    Confirmed match Active
    From 23.2 (including) to 28.3 (excluding)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Online Scheduling and Appointment Booking System — From 23.2 (including) to 28.3 (excluding)

References

  • wpscan.com https://wpscan.com/vulnerability/2150717e-7564-4b29-b2e7-362dd3b480c3/
  • nvd.nist.gov Official NVD record