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CVE-2026-77689

MEDIUM 5.3 CVSS 3.1
Published
September 12, 2026
Last modified
September 14, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-284
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

The Booking for Appointments and Events Calendar WordPress plugin before 9.8.1 does not verify that a payment was actually taken before recording a booking as paid, trusting the payment gateway named in a public, unauthenticated booking request even when the site has never configured that gateway. This lets an unauthenticated attacker obtain confirmed, fully paid appointments and events without any payment being collected.

Affected WordPress components

  • Booking for Appointments and Events Calendar – Amelia Plugin · ameliabooking
    Confirmed match Active
    From 9.0 (including) to 9.8.1 (excluding)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Booking for Appointments and Events Calendar — From 9.0 (including) to 9.8.1 (excluding)

References

  • wpscan.com https://wpscan.com/vulnerability/ac597716-193d-419f-b55c-802ee979385e/
  • nvd.nist.gov Official NVD record