CVE-2026-18778
Received Received - Intake

Unauthenticated Information Disclosure in TrueBooker WordPress Plugin

Publication date: 2026-08-19

Last updated on: 2026-08-19

Assigner: WPScan

Description
The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in some of its AJAX actions, allowing unauthenticated users to retrieve the personal information of customers who booked an appointment, including their name, email address, phone number and postal address.

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Meta Information

Published
2026-08-19
Last Modified
2026-08-19
Generated
2026-08-19
AI Q&A
2026-08-19
EPSS Evaluated
N/A
NVD
CVE-2026-18778
EUVD
EUVD-2026-62283

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
truebooker truebooker to 1.2.7 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

The TrueBooker WordPress plugin before version 1.2.7 has a vulnerability where unauthenticated users can access personal information of customers who booked appointments. This includes names, email addresses, phone numbers, and postal addresses due to missing authorization checks in certain AJAX actions.

Detection Guidance

Check if your TrueBooker plugin version is below 1.2.7. Logs may show unauthorized AJAX requests accessing customer data. Inspect network traffic for suspicious queries to TrueBooker endpoints.

Impact Analysis

Unauthenticated attackers could steal customer PII, leading to privacy breaches, identity theft, or phishing attacks. Businesses using the plugin may face reputational damage, legal consequences, and loss of customer trust.

Compliance Impact

This vulnerability likely violates GDPR and HIPAA due to unauthorized access to personal data. GDPR requires protecting personal data, and HIPAA mandates safeguarding protected health information. Non-compliance could result in fines and legal penalties.

Mitigation Strategies

Update the TrueBooker plugin to version 1.2.7 or later immediately. If updating is not possible, disable the plugin until patched. Review customer data access logs for signs of exploitation.

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