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OpenAdvisories
Medium · 5.3 CVE-2026-81422 EUVD-2026-119836GHSA-93w9-c7qv-9m7x

Advanced Appointment Booking & Scheduling < 2.7 - Unauthenticated Arbitrary User Registration

Published Nov 9, 2026 · Updated Nov 9, 2026 · Assigned by WPScan

Description

The Advanced Appointment Booking & Scheduling WordPress plugin before 2.7 does not verify the site's user-registration setting before creating accounts through a publicly accessible shortcode, allowing unauthenticated attackers to register arbitrary user accounts, and be automatically logged in, even when user registration is disabled on the site.

Affected products

VendorProductAffectedFixed
— Advanced Appointment Booking & Scheduling < 2.7 2.7

References