CVE-2026-18776

Deferred Deferred - Pending Action

Unauthenticated Email Change in TrueBooker WordPress Plugin

Publication date: 2026-08-19

Last updated on: 2026-08-26

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 change the email address of arbitrary users, including administrators, and subsequently take over their account via the password reset flow.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-19

Last Modified

2026-08-26

Generated

2026-09-08

AI Q&A

2026-08-19

EPSS Evaluated

2026-09-07

NVD

CVE-2026-18776

EUVD

EUVD-2026-62281

Affected Vendors & Products

Vendor	Product	Version / Range
truebooker	truebooker	to 1.2.7 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

The TrueBooker WordPress plugin before version 1.2.7 has missing authorization checks in some AJAX actions. This allows unauthenticated users to change the email address of any user, including administrators. Attackers can then reset passwords and take over those accounts.

Detection Guidance

Check if the TrueBooker WordPress plugin version is below 1.2.7. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files for version details in the plugin header.

Impact Analysis

If you use the TrueBooker plugin before version 1.2.7, an attacker could hijack your WordPress account, including admin accounts. This could lead to unauthorized access, data theft, or website defacement. Users should update to version 1.2.7 or later immediately.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR and HIPAA requirements for data protection and access controls. Organizations may face compliance penalties if user data is compromised due to this issue.

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.

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