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OpenAdvisories
High · 8.1 CVE-2026-12378 EUVD-2026-42178GHSA-5jfm-f958-c6pr

BookingPress <= 1.1.28 - Unauthenticated PHP Object Injection

Published Jul 8, 2026 · Updated Jul 8, 2026 · Assigned by WPScan

Description

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin through 1.1.28 does not validate data before passing it to a PHP deserialization function, allowing unauthenticated attackers to inject arbitrary PHP objects; where a suitable gadget chain is present on the site this can be leveraged to achieve remote code execution.

Affected products

VendorProductAffectedFixed
— Appointment Booking Calendar Plugin and Scheduling Plugin ≤ 1.1.28 —

References