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CVE-2026-91847

MEDIUM 4.8 CVSS 3.1
Published
September 19, 2026
Last modified
September 21, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-639
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Description

The Online Scheduling and Appointment Booking System WordPress plugin before 28.2 does not verify that the requester owns the AI booking-assistant conversation named in its unauthenticated conversation actions, allowing any unauthenticated visitor to read another visitor's assistant messages and to inject messages into their in-progress conversation.

Affected WordPress components

  • Online Scheduling and Appointment Booking System – Bookly Plugin · bookly-responsive-appointment-booking-tool
    Confirmed match Active
    From 28.1 (including) to 28.2 (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 28.1 (including) to 28.2 (excluding)

References

  • wpscan.com https://wpscan.com/vulnerability/9eef3086-3a67-4ee2-bd78-e346e7b05d62/
  • nvd.nist.gov Official NVD record