LatePoint Appointment Booking Plugin up to 5.7.4 on WordPress AJAX Endpoint steps__load_step customer[uuid] information disclosure

Summaryinfo

A vulnerability has been found in LatePoint Appointment Booking Plugin up to 5.7.4 and classified as problematic. Affected by this issue is the function steps__load_step of the component AJAX Endpoint. This manipulation of the argument customer[uuid] causes information disclosure. This vulnerability appears as CVE-2026-111602. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in LatePoint Appointment Booking Plugin up to 5.7.4. Affected by this vulnerability is the function steps__load_step of the component AJAX Endpoint. The manipulation of the argument customer[uuid] with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

The Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 5.7.4 via the 'params (customer[uuid])' parameter. This makes it possible for unauthenticated attackers to extract the first name, last name, email address, phone number, and notes of every customer record in the database by enumerating uuid prefixes via the unauthenticated steps__load_step AJAX endpoint. This vulnerability is only exploitable when the LatePoint plugin is configured with the 'Field used for authentication' setting set to 'Disable ability to login' (guest checkout mode).

It is possible to read the advisory at wordfence.com. This vulnerability is known as CVE-2026-111602 since 10/16/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/17/2026). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• WordPress Plugin

Vendor

• LatePoint

Name

• Appointment Booking Plugin

Version

• 5.7.0
• 5.7.1
• 5.7.2
• 5.7.3
• 5.7.4

CPE 2.3info

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CPE 2.2info

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