CVE-2026-18779
Received Received - Intake

Unauthenticated Appointment Deletion 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 one of its AJAX actions, allowing unauthenticated users to delete arbitrary appointment records along with their associated booking items and payment records.

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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-2026-18779
EUVD
EUVD-2026-62284

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 delete appointment records, booking items, and payment records due to missing authorization checks in an AJAX action.

Detection Guidance

Check the installed version of the TrueBooker plugin. If it is below 1.2.7, the system is vulnerable. Use WordPress admin panel or run a command like 'wp plugin list' if using WP-CLI to verify the version.

Impact Analysis

This vulnerability allows attackers to delete critical booking and payment data without authentication, potentially causing data loss, financial disruption, and operational issues for businesses using the plugin.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR or HIPAA if it results in unauthorized deletion of personal or sensitive data, as these regulations require proper data protection and integrity measures.

Mitigation Strategies

Update the TrueBooker plugin to version 1.2.7 or later immediately. If updating is not possible, consider disabling the plugin until an update is applied to prevent unauthorized deletions.

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