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CVE-2026-18441— LatePoint - Appointment Booking & Scheduling <= 5.6.9 - Unauthenticated Insecure Direct Object Reference to Sensitive Information Disclosure via 'customer[id]' Parameter

Quick assessment

Affected
latepoint Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 插件“The Appointment Booking Plugin – LatePoint

CVSS 4.3 · Medium
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I. Basic Information for CVE-2026-18441

Vulnerability Information
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Vulnerability Title
LatePoint - Appointment Booking & Scheduling <= 5.6.9 - Unauthenticated Insecure Direct Object Reference to Sensitive Information Disclosure via 'customer[id]' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.6.9 via the set_customer_object due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to enumerate arbitrary customer records and disclose personally identifiable information - including first name, last name, email address, and phone number - by iterating the customer[id] parameter. This issue is exploitable only when the site is configured with customer authentication disabled (guest checkout enabled).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
latepoint Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress 0 ~ 5.6.9 -

II. Public POCs for CVE-2026-18441

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III. Intelligence Information for CVE-2026-18441

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Other References for CVE-2026-18441 (2)

IV. Related Vulnerabilities

Same product: Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress
Same vendor: latepoint
Same weakness: CWE-639

V. Comments for CVE-2026-18441

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