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Vulnerability record · CVE-2026-13228 · published 1 July 2026

CVE-2026-13228: Improper privilege management vulnerability

The LatePoint – Calendar Booking Plugin for Appointments and Events plugin for WordPress is vulnerable to Privilege Escalation to Administrator in versions up to, and including, 5.6.3 This is due to an Insecure Direct Object Reference (IDOR) in the create_or_update() function of OsOrdersController, which allows an authenticated Agent to supply an arbitrary order[customer_id] and overwrite any LatePoint customer's email field (including one linked to a WordPress Administrator's account) through the public-scope customer set_data() call, combined with a missing role verification in OsAuthHelper::authorize_customer() which logs in the linked WordPress user without checking its role. This makes it possible for authenticated attackers, with custom (Agent)-level access and above, to elevate their privileges to Administrator.

8.8 CVSS 3.1 High EPSS 0.58% · top 54.6% CWE-269 · Improper privilege management Deferred
8.8CVSS 3.1 base score
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
7References
1 Jul 2026Last modified by NVD

Description

The LatePoint – Calendar Booking Plugin for Appointments and Events plugin for WordPress is vulnerable to Privilege Escalation to Administrator in versions up to, and including, 5.6.3 This is due to an Insecure Direct Object Reference (IDOR) in the create_or_update() function of OsOrdersController, which allows an authenticated Agent to supply an arbitrary order[customer_id] and overwrite any LatePoint customer's email field (including one linked to a WordPress Administrator's account) through the public-scope customer set_data() call, combined with a missing role verification in OsAuthHelper::authorize_customer() which logs in the linked WordPress user without checking its role. This makes it possible for authenticated attackers, with custom (Agent)-level access and above, to elevate their privileges to Administrator.

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

References

LinkTags
https://plugins.trac.wordpress.org/browser/latepoint/tags/5.6.2/lib/controllers/orders_controller.php#L112
https://plugins.trac.wordpress.org/browser/latepoint/tags/5.6.2/lib/controllers/orders_controller.php#L127
https://plugins.trac.wordpress.org/browser/latepoint/tags/5.6.2/lib/controllers/orders_controller.php#L137
https://plugins.trac.wordpress.org/browser/latepoint/tags/5.6.2/lib/helpers/auth_helper.php#L256
https://plugins.trac.wordpress.org/changeset/3590914/latepoint/trunk/lib/controllers/orders_controller.php
https://plugins.trac.wordpress.org/changeset?old_path=%2Flatepoint/tags/5.6.3&new_path=%2Flatepoint/tags/5.6.4
https://www.wordfence.com/threat-intel/vulnerabilities/id/8f9db3b8-dd37-4d8b-b041-50b453858a39?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-13228), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.