---
id: CVE-2026-39798
title: Unauthenticated Settings Change in TrueBooker <= 1.2.9 versions.
summary: Unauthenticated Settings Change in TrueBooker <= 1.2.9 versions.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L'
cwe:
  - CWE-862
vendor: ThemetechMount
product: truebooker-appointment-booking
affected:
  - truebooker-appointment-booking >= n/a <= 1.2.9
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T11:17:26.870'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-39798'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/truebooker-appointment-booking/vulnerability/wordpress-truebooker-plugin-1-2-9-settings-change-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-06T10:23:55.291569Z'
ingestedAt: '2026-10-06T08:50:17.475Z'
---

## Overview

Unauthenticated Settings Change in TrueBooker <= 1.2.9 versions.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.