---
title: "CVE-2026-103366: Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress - Broken Access Control"
description: "Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress up to 5.7.3 contains an insecure direct object reference caused by lack of ownership checks in booking and cart ID parameters, letting unauthenticated attackers read other users' appointment and cart details via public AJAX routes."
url: https://panop.io/threat-heartbeat/CVE-2026-103366/
---

# CVE-2026-103366 Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress - Broken Access Control

Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress up to 5.7.3 contains an insecure direct object reference caused by lack of ownership checks in booking and cart ID parameters, letting unauthenticated attackers read other users' appointment and cart details via public AJAX routes.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.47% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-103366)

## Details

Type

Broken Access Control

Impact

Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-639](https://cwe.mitre.org/data/definitions/639.html)

## Vendor fix

Update to the latest version beyond 5.7.3 where ownership checks are properly enforced.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-103366](https://nvd.nist.gov/vuln/detail/CVE-2026-103366)
- [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/controllers/steps_controller.php#L290)
- [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#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/helpers/steps_helper.php#L3228)
- [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/latepoint.php#L1072)
- [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#L1232)
- [https://plugins.trac.wordpress.org/browser/latepoint/tags/5.7.3/lib/models/model.php#L580](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://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](https://www.wordfence.com/threat-intel/vulnerabilities/id/2f13d1ac-d1b4-4802-bee2-3622e84d7482?source=cve)
- [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#L145)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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