CVE-2026-103366

The Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 5.7.3 via the `booking[id]` and `cart[id]` parameters on the `steps__reload_booking_form_summary_panel` and `steps__start` public routes (reachable through wp_ajax_nopriv_latepoint_route_call). This is due to `OsStepsHelper::set_required_objects()` feeding raw request parameters into `set_booking_object()` and `set_cart_object()`, which call `OsModel::set_data()` and load an arbitrary booking or cart row by primary key with no ownership check — the ownership guard the vendor added for the earlier disclosure lives only inside `OsStepsHelper::load_step()` and does not cover the sibling routes or `cart[id]` at all. This makes it possible for unauthenticated attackers to enumerate sequential booking / cart identifiers and read other customers' appointment details (service name, agent, date/time, duration, price breakdown, status) and other shoppers' pending checkout contents directly from the JSON responses.

• CWE-639

• https://plugins.trac.wordpress.org/browser/latepoint/tags/5.7.3/latepoint.php#L1072
• https://plugins.trac.wordpress.org/browser/latepoint/tags/5.7.3/lib/controllers/steps_controller.php#L145
• https://plugins.trac.wordpress.org/browser/latepoint/tags/5.7.3/lib/controllers/steps_controller.php#L290
• https://plugins.trac.wordpress.org/browser/latepoint/tags/5.7.3/lib/helpers/steps_helper.php#L1232
• https://plugins.trac.wordpress.org/browser/latepoint/tags/5.7.3/lib/helpers/steps_helper.php#L234
• https://plugins.trac.wordpress.org/browser/latepoint/tags/5.7.3/lib/helpers/steps_helper.php#L3228
• https://plugins.trac.wordpress.org/browser/latepoint/tags/5.7.3/lib/models/model.php#L580
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3728691%40latepoint&new=3728691%40latepoint
• https://www.wordfence.com/threat-intel/vulnerabilities/id/2f13d1ac-d1b4-4802-bee2-3622e84d7482?source=cve

Published

Oct 14, 2026

Last Modified

Oct 15, 2026

Status

Deferred

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