PT-2026-95762 · WordPress · Online Scheduling/Appointment Booking System – Bookly

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CVE-2026-91847

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Published

2026-09-19

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Updated

2026-09-19

CVSS v3.1

4.8

Medium

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Name of the Vulnerable Software and Affected Versions Online Scheduling and Appointment Booking System WordPress plugin versions prior to 28.2
Description The plugin fails to verify if the requester is the owner of the AI booking-assistant conversation during unauthenticated conversation actions. This allows an unauthenticated visitor to read messages from other visitors' assistant conversations and inject messages into active conversations.
Recommendations Update the Online Scheduling and Appointment Booking System WordPress plugin to version 28.2 or later.

Exploit

Fix

IDOR

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Weakness Enumeration

Related Identifiers

CVE-2026-91847

Affected Products

Online Scheduling/Appointment Booking System – Bookly