Description
The LatePoint - Appointment Booking & Reservation plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 5.6.9. This is due to the process_step_customer() function using is_user_logged_in() as the sole gate before merging POSTed customer data into an existing LatePoint customer, without any ownership checks. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify the personal information (first name, last name, email, phone, notes) of arbitrary LatePoint customers, and, when the contact_merge setting is 'phone', to overwrite the victim's email address and take over the account via a password reset.
Analysis
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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| latepoint | Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress | unaffected |
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Remediation
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Tracking
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Advisories
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References
History
Wed, 07 Oct 2026 23:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The LatePoint - Appointment Booking & Reservation plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 5.6.9. This is due to the process_step_customer() function using is_user_logged_in() as the sole gate before merging POSTed customer data into an existing LatePoint customer, without any ownership checks. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify the personal information (first name, last name, email, phone, notes) of arbitrary LatePoint customers, and, when the contact_merge setting is 'phone', to overwrite the victim's email address and take over the account via a password reset. | |
| Title | Appointment Booking Plugin – LatePoint | Calendar & Scheduling for WordPress <= 5.6.9 - Authenticated (Subscriber+) Insecure Direct Object Reference to Arbitrary Customer PII Modification | |
| Weaknesses | CWE-639 | |
| References |
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| Metrics |
cvssV3_1
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Subscriptions
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MITRE
Status: PUBLISHED
Assigner: Wordfence
Published:
Updated: 2026-10-07T23:27:12.424Z
Reserved: 2026-07-27T09:35:22.512Z
Link: CVE-2026-17538
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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Weaknesses
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CWE-639
Authorization Bypass Through User-Controlled Key