LatePoint <= 5.5.0 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Customer Cabinet Profile Update

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-7457
CVSS 6.4 (Medium)
Publicly Published May 5, 2026
Last Updated May 6, 2026
Researcher Niv Kochan

Description

The LatePoint plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to and including 5.5.0. This is due to insufficient input sanitization on the customer cabinet profile update endpoint — where raw POST parameters (first_name, last_name, phone, notes) bypass sanitization because OsCustomerModel does not override params_to_sanitize(), causing set_data() to store unsanitized values verbatim in the database — combined with insufficient output escaping in generate_preview(), which injects those stored values into notification template HTML via str_replace() without any esc_html() call before echoing the result. This makes it possible for authenticated attackers with customer-level access or above to inject arbitrary web scripts into the admin notification preview panel that execute in an administrator's or agent's browser whenever a notification template referencing customer variables such as {{customer_full_name}}, {{customer_first_name}}, {{customer_last_name}}, {{customer_phone}}, or {{customer_notes}} is previewed.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

References

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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 5.5.1, or a newer patched version
Affected Version
  • <= 5.5.0
Patched Version
  • 5.5.1

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

# Title CVE ID CVSS Researchers Date
1 LatePoint <= 5.3.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes CVE-2026-5391 6.4 alex_henry20 August 5, 2026
2 Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress <= 5.6.3 - Unauthenticated SQL Injection CVE-2026-57714 7.5 daroo July 8, 2026
3 LatePoint - Calendar Booking Plugin for Appointments and Events <= 5.4.0 - Unauthenticated Stripe PaymentIntent Amount-Binding Bypass CVE-2026-5356 7.5 Andrés Cruciani July 7, 2026
4 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
5 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
6 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
7 LatePoint <= 5.6.2 - Cross-Site Request Forgery CVE-2026-11866 4.3 Meher Sudhakar Abbireddi June 25, 2026
8 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
9 LatePoint <= 5.6.0 - Cross-Site Request Forgery via invoices__change_status Action CVE-2026-9719 4.3 alex_henry20 June 5, 2026
10 LatePoint – Calendar Booking Plugin for Appointments and Events <= 5.5.1 - Authenticated (Contributor+) Privilege Escalation CVE-2026-49083 8.8 VanTastic June 5, 2026

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