---
id: CVE-2026-86475
title: >-
  The Appointment Hour Booking WordPress plugin before 1.5.95 does not check
  every appointment in a booking submission against the capacity configured for
  its own slot, allowing unauthenticated visitors to take slots that are already
  fully…
summary: >-
  The Appointment Hour Booking WordPress plugin before 1.5.95 does not check
  every appointment in a booking submission against the capacity configured for
  its own slot, allowing unauthenticated visitors to take slots that are already
  fully…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-20
product: Appointment Hour Booking
affected:
  - appointment_hour_booking < 1.5.95
published: '2026-09-16'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T20:25:29.240'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86475'
references:
  - url: 'https://wpscan.com/vulnerability/b7b45dae-bc91-4142-ae9b-5c8b39791cda/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-16T17:37:01.857265Z'
ingestedAt: '2026-09-16T06:51:06.262Z'
epss: 0.0031
epssPercentile: 0.21311
---

## Overview

The Appointment Hour Booking WordPress plugin before 1.5.95 does not check every appointment in a booking submission against the capacity configured for its own slot, allowing unauthenticated visitors to take slots that are already fully booked.

## Remediation

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