LatePoint - Calendar Booking Plugin for Appointments and Events <= 5.4.0 - Unauthenticated Stripe PaymentIntent Amount-Binding Bypass

7.5
Missing Authorization
CVE CVE-2026-5356
CVSS 7.5 (High)
Publicly Published July 7, 2026
Last Updated July 8, 2026
Researcher Andrés Cruciani

Description

The LatePoint – Calendar Booking Plugin for Appointments and Events plugin for WordPress is vulnerable to Improper Input Validation in all versions up to, and including, 5.4.0. This is due to the plugin's Stripe Connect payment processor accepting a client-supplied PaymentIntent ID. This makes it possible for unauthenticated attackers to pay an arbitrary amount by supplying a previously succeeded PaymentIntent token.

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Vulnerability Details for Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress

Software Type Plugin
Software Slug latepoint (view on wordpress.org)
Patched? Yes
Remediation Update to version 5.4.1, or a newer patched version
Affected Version
  • <= 5.4.0
Patched Version
  • 5.4.1

Recent vulnerabilities in Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress

# Title CVE ID CVSS Researchers Date
1 Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress <= 5.6.3 - Unauthenticated SQL Injection CVE-2026-57714 7.5 daroo July 8, 2026
2 LatePoint <= 5.6.1 - Missing Authorization to Unauthenticated Arbitrary Customer Data Modification via process_step_customer() Booking Form Customer Step CVE-2026-11398 5.3 hhhai July 2, 2026
3 LatePoint <= 5.6.2 - Unauthenticated Insecure Direct Object Reference to Arbitrary Creation via 'service_id' Parameter CVE-2026-12657 5.3 gidget smith July 1, 2026
4 LatePoint <= 5.6.3 - Authenticated (Custom+) Privilege Escalation to Administrator via 'order[customer_id]' Parameter CVE-2026-13228 8.8 d.v4n_s3c June 30, 2026
5 LatePoint <= 5.5.1 - Authenticated (Agent+) Privilege Escalation to Administrator via IDOR in OsOrdersController::create_or_update + Unauthenticated Customer-Cabinet Password Reset CVE-2026-8176 7.5 d.v4n_s3c June 15, 2026
6 LatePoint <= 5.6.0 - Cross-Site Request Forgery via invoices__change_status Action CVE-2026-9719 4.3 Kirasec June 5, 2026
7 LatePoint – Calendar Booking Plugin for Appointments and Events <= 5.5.1 - Authenticated (Contributor+) Privilege Escalation CVE-2026-49083 8.8 VanTastic June 5, 2026
8 LatePoint <= 5.3.2 - Cross-Site Request Forgery via 'customer_cabinet__request_cancellation' AJAX Route CVE-2026-5365 4.3 Tulgaaaa May 13, 2026
9 LatePoint <= 5.5.0 - Unauthenticated Account Takeover via Weak Password Recovery Mechanism CVE-2026-7652 5.3 Michael Iden (Mickhat) May 8, 2026
10 LatePoint – Calendar Booking Plugin for Appointments and Events <= 5.5.0 - Unauthenticated Stored Cross-Site Scripting CVE-2026-7448 7.2 AmonRa May 6, 2026

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