GHSA-54GG-9J3P-7MX3
Vulnerability from github – Published: 2026-09-18 00:31 – Updated: 2026-09-18 00:31The Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.6.9 via the set_customer_object due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to enumerate arbitrary customer records and disclose personally identifiable information - including first name, last name, email address, and phone number - by iterating the customer[id] parameter. This issue is exploitable only when the site is configured with customer authentication disabled (guest checkout enabled).
{
"affected": [],
"aliases": [
"CVE-2026-18441"
],
"database_specific": {
"cwe_ids": [
"CWE-639"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-18T00:16:57Z",
"severity": "MODERATE"
},
"details": "The Appointment Booking Plugin \u2013 LatePoint | Calendar \u0026 Scheduling for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.6.9 via the set_customer_object due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to enumerate arbitrary customer records and disclose personally identifiable information - including first name, last name, email address, and phone number - by iterating the customer[id] parameter. This issue is exploitable only when the site is configured with customer authentication disabled (guest checkout enabled).",
"id": "GHSA-54gg-9j3p-7mx3",
"modified": "2026-09-18T00:31:10Z",
"published": "2026-09-18T00:31:10Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18441"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/latepoint/tags/5.6.9/latepoint.php#L1006"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/latepoint/tags/5.6.9/lib/controllers/steps_controller.php#L341"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/latepoint/tags/5.6.9/lib/helpers/steps_helper.php#L1184"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/latepoint/tags/5.6.9/lib/models/model.php#L574"
},
{
"type": "WEB",
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/d80ed885-43f8-43a4-bc61-e9ef92e3207e?source=cve"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
}
]
}
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