LatePoint <= 5.6.1 - Missing Authorization to Unauthenticated Arbitrary Customer Data Modification via process_step_customer() Booking Form Customer Step

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Summary

CVECVE-2026-11398
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-03 09:16:36 UTC
Updated2026-07-03 09:16:36 UTC
DescriptionThe LatePoint – Calendar Booking Plugin for Appointments and Events plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 5.6.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to modify the personally identifiable information (first name, last name, phone number, and notes) of any existing customer record, including those linked to administrator accounts, by submitting the booking form with a known customer's email address. Exploitation requires the plugin to be configured with guest bookings enabled (is_customer_auth_disabled() returning true), which is necessary for the vulnerable unauthenticated code path in process_step_customer() to be reached.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

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

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Latepoint LatePoint Calendar Booking Plugin For Appointments And Events affected 5.6.1 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/latepoint/tags/5.3.2/lib/helpers/steps_helper.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/latepoint/tags/5.6.1/lib/helpers/steps_helper.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/latepoint/tags/5.6.1/lib/controllers/steps_controller... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/latepoint/tags/5.6.1/lib/helpers/steps_helper.php [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/e4dcedcc-2878-47b2-99f0-ecba2... [email protected] www.wordfence.com
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/latepoint/tags/5.6.1/lib/helpers/steps_helper.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/latepoint/tags/5.3.2/lib/helpers/steps_helper.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/latepoint/tags/5.3.2/lib/helpers/steps_helper.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/latepoint/tags/5.3.2/lib/controllers/steps_controller... [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: hhhai (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-06-05T16:45:30.000ZVendor Notified
CNA2026-07-02T19:22:32.000ZDisclosed
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