What’s Vulnerable › Vulnerabilities
CVE-2026-76586: BookingPress 1.5.6 - 1.6.2 - Unauthenticated Booking Price Manipulation via PayPal Payment Confirmation
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-29 · updated 2026-08-31
- Weakness: CWE-284
Description
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.
Affected products
- codepeople Appointment Booking Calendar: from 1.5.6 before 1.6.3 — fixed in 1.6.3
How to fix
Upgrade to a fixed version: codepeople Appointment Booking Calendar 1.6.3. Check the vendor advisory for mitigations.
References
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