CVE-2026-18779

TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Appointment and Payment Record Deletion via update_appointment_booked

The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in one of its AJAX actions, allowing unauthenticated users to delete arbitrary appointment records along with their associated booking items and payment records.

Affected

TrueBooker

CVSS v3.1 CNA

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS

0.30% chance of exploitation in the next 30 days, 22nd percentile

Published

2026-08-19

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/9d7f9a09-a144-4a0a-998c-e5bc5037fc1b/

References

• CVE Record
• NVD entry