LatePoint - Appointment Booking & Scheduling <= 5.6.9 - Unauthenticated Insecure Direct Object Reference to Sensitive Information Disclosure via 'customer[id]' Parameter

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-18441
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-18 00:16:57 UTC
Updated2026-09-19 15:16:58 UTC
DescriptionThe 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).

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

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

EPSS: 0.002430000 probability, percentile 0.157430000 (date 2026-09-21)

Problem Types: CWE-639 | CWE-639 CWE-639 Authorization Bypass Through User-Controlled Key

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Latepoint Appointment Booking Plugin LatePoint Calendar Scheduling For WordPress affected 5.6.9 semver Not specified

References

ReferenceSourceLinkTags
www.wordfence.com/threat-intel/vulnerabilities/id/d80ed885-43f8-43a4-bc61-e9ef9... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/latepoint/tags/5.6.9/lib/helpers/steps_helper.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/latepoint/tags/5.6.9/latepoint.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/latepoint/tags/5.6.9/lib/controllers/steps_controller... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/latepoint/tags/5.6.9/lib/models/model.php [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Sorra (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-06-25T00:00:00.000ZDiscovered
CNA2026-07-30T21:03:15.000ZVendor Notified
CNA2026-09-17T10:58:18.000ZDisclosed

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