CVE-2026-18779

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

Published Aug 19, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-862
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Type Values Removed Values Added
First Time appeared Truebooker
Truebooker truebooker
Wordpress
Wordpress wordpress
Vendors & Products Truebooker
Truebooker truebooker
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Description 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.
Title TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Appointment and Payment Record Deletion via update_appointment_booked
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 19, 2026, 4:22 PM
Reserved
Aug 4, 2026, 7:48 AM
Status
Deferred
Published
Aug 19, 2026, 6:17 AM
Modified
Nov 9, 2026, 8:10 PM