Vulnerability · Published Aug 19, 2026 · Assigned by WPScan

CVE-2026-18778TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Customer PII Disclosure via Multiple AJAX Actions

Medium 5.3

In plain English

A medium-severity information exposure 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 28% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 71.9% 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 some of its AJAX actions, allowing unauthenticated users to retrieve the personal information of customers who booked an appointment, including their name, email address, phone number and postal address.

Affected products (as reported)

VendorProductVersions
Unknown TrueBooker 0 – before 1.2.7

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References