CVE-2026-18777: CWE-862 Missing Authorization in TrueBooker
The TrueBooker WordPress plugin versions before 1.2.7 contain a missing authorization vulnerability in one of its AJAX actions. This flaw allows unauthenticated users to change the status of arbitrary appointments and trigger notification emails to customers without proper permission checks.
AI Analysis
Technical Summary
CVE-2026-18777 is a missing authorization vulnerability (CWE-862) in the TrueBooker WordPress plugin prior to version 1.2.7. The vulnerability exists in an AJAX action that lacks proper authorization checks, enabling unauthenticated attackers to modify appointment statuses arbitrarily and send notification emails to affected customers. The CVSS v3.1 base score is 5.3, reflecting a medium severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to integrity loss without confidentiality or availability impact.
Potential Impact
An attacker can change the status of any appointment without authentication and cause notification emails to be sent to customers. This could lead to confusion or manipulation of appointment data but does not affect confidentiality or availability according to the CVSS vector.
Mitigation Recommendations
Upgrade the TrueBooker plugin to version 1.2.7 or later where proper authorization checks have been implemented. No other mitigation is indicated.
CVE-2026-18777: CWE-862 Missing Authorization in TrueBooker
Description
The TrueBooker WordPress plugin versions before 1.2.7 contain a missing authorization vulnerability in one of its AJAX actions. This flaw allows unauthenticated users to change the status of arbitrary appointments and trigger notification emails to customers without proper permission checks.
CVSS v3.1
Score 5.3medium
Affected software
TrueBooker
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18777 is a missing authorization vulnerability (CWE-862) in the TrueBooker WordPress plugin prior to version 1.2.7. The vulnerability exists in an AJAX action that lacks proper authorization checks, enabling unauthenticated attackers to modify appointment statuses arbitrarily and send notification emails to affected customers. The CVSS v3.1 base score is 5.3, reflecting a medium severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to integrity loss without confidentiality or availability impact.
Potential Impact
An attacker can change the status of any appointment without authentication and cause notification emails to be sent to customers. This could lead to confusion or manipulation of appointment data but does not affect confidentiality or availability according to the CVSS vector.
Mitigation Recommendations
Upgrade the TrueBooker plugin to version 1.2.7 or later where proper authorization checks have been implemented. No other mitigation is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-08-04T07:43:32.666Z
- State
- PUBLISHED
Threat ID: 6a854e93c6e8be033248b295
Added to database: 08/19/2026, 06:34:59 UTC
Last enriched: 09/11/2026, 09:48:36 UTC
Last updated: 10/02/2026, 02:46:03 UTC
Views: 46
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