CVE-2026-76586highCWE-284

CVE-2026-76586: high-severity vulnerability in Appointment Booking Calendar Plugin and…

BookingPress 1.5.6 - 1.6.2 - Unauthenticated Booking Price Manipulation via PayPal Payment Confirmation

Published · Updated

Follow this CVE+ Monitor Appointment Booking Calendar Plugin and Scheduling Plugin

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 7.5epss 0.4%
The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does not verify the amount actually paid against the server-side price staged for a booking when confirming an online payment, allowing unauthenticated users to have a paid appointment approved for a fraction of its price.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products
Unknown · Appointment Booking Calendar Plugin and Scheduling Plugin
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Appointment Booking Calendar Plugin and…

In the same product, most dangerous first.

CVE-2024-12274HIGHBookingPress < 1.1.23 - Unauthenticated Export File DownloadEPSS 0.6%CVE-2026-12378HIGHBookingPress <= 1.1.28 - Unauthenticated PHP Object InjectionEPSS 0.6%