Vulnerability · Published Aug 19, 2026 · Assigned by WPScan

CVE-2026-18779TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Appointment and Payment Record Deletion via update_appointment_booked

Medium 5.3

In plain English

A medium-severity missing authorization in TrueBooker from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 76.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Unknown TrueBooker 0 – before 1.2.7

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References