Appointment Hour Booking – Booking Calendar

Name: Appointment Hour Booking – Booking Calendar
Rating: 4.9 (523 reviews)

by codepeople

View on WordPress.org

80 Quality Score

Active Installs

18/30

With 10,000 active installs it sits in the mid-range of WordPress plugins, far behind category leaders like The Events Calendar at 700,000 installs.

Update Freshness

25/25

Maintenance is excellent, with the most recent update landing on 2026-07-13 and compatibility confirmed against WordPress 7.0.1.

User Rating

15/15

User ratings are very strong at 98 out of 100 across 520 reviews, suggesting the people who install it tend to be happy with it.

Support Health

8/15

Support health is the weakest area, with 0 tracked threads and 0 resolved in our dataset, making it hard to verify how responsive the developer is when things break.

WP Compatibility

15/15

Compatibility scores full marks, tested with WordPress 7.0.1 and requiring only WordPress 3.0.5, so it will run on virtually any modern site.

Scores higher than 79% of indexed plugins

About

Appointment Hour Booking is a plugin for creating booking forms for appointments with a start time and a defined duration within a schedule.

Active Installs 10k+

Rating ★★★★½ 4.9/5

Last Updated 2026-09-29 10:20am GMT

Requires WordPress 5.3.0+

Tested Up To 7.1.2

Security History

15 known vulnerabilities, all patched

1 High 14 Medium

Most recent: September 14, 2026

View details ▸

Appointment Hour Booking <= 1.5.94 - Unauthenticated Appointment Slot Capacity Bypass Medium

September 14, 2026 Patched in ["1.5.95"] CVE-2026-86475

Appointment Hour Booking – Booking Calendar <= 1.5.94 - Missing Authorization Medium

August 18, 2026 Patched in ["1.5.95"] CVE-2026-66679

Appointment Hour Booking <= 1.5.87 - Unauthenticated Price Manipulation Medium

August 3, 2026 Patched in ["1.5.88"] CVE-2026-16282

Appointment Hour Booking – Booking Calendar <= 1.5.86 - Authenticated (Contributor+) Stored Cross-Site Scripting Medium

July 23, 2026 Patched in ["1.5.87"] CVE-2026-65514

Appointment Hour Booking – Booking Calendar <= 1.5.60 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'Min/Max Length' Field Configuration Medium

January 27, 2026 Patched in ["1.5.61"] CVE-2026-1083

Appointment Hour Booking <= 1.4.56 - Captcha Bypass Medium

April 22, 2024 Patched in ["1.4.57"] CVE-2024-32720

Appointment Hour Booking <= 1.4.23 - Missing Authorization to Double Booking Medium

October 11, 2023 Patched in ["1.4.24"] CVE-2023-45649

Appointment Hour Booking <= 1.3.72 - Unauthenticated iFrame Injection via Appointment Form High

November 29, 2022 Patched in ["1.3.73"] CVE-2022-4035

Appointment Hour Booking <= 1.3.72 - CSV Injection Medium

November 29, 2022 Patched in ["1.3.73"] CVE-2022-4034

Appointment Hour Booking <= 1.3.72 - CAPTCHA Bypass Medium

November 29, 2022 Patched in ["1.3.73"] CVE-2022-4036

Appointment Hour Booking <= 1.3.71 - Missing Authorization Medium

October 30, 2022 Patched in ["1.3.72"] CVE-2022-41692

Appointment Hour Booking <= 1.3.55 - Authenticated Stored Cross-Site Scripting Medium

May 23, 2022 Patched in ["1.3.56"] CVE-2022-1710

Appointment Hour Booking <= 1.3.16 - Cross-Site Scripting Medium

September 10, 2021 Patched in ["1.3.17"] CVE-2021-24712

Appointment Hour Booking <= 1.3.15 Admin+ Stored Cross-Site Scripting Medium

September 6, 2021 Patched in ["1.3.16"] CVE-2021-24673

Appointment Hour Booking – WordPress Booking Plugin <= 1.1.45 - Cross-Site Scripting Medium

July 9, 2019 Patched in ["1.1.46"] CVE-2019-13505

What It Does

Appointment Hour Booking is a WordPress plugin that lets site owners build booking forms where visitors reserve a slot with a specific start time and fixed duration, all tied to a defined schedule. It covers the core appointment flow: showing availability, capturing the booking, and blocking out time slots in an on-site calendar.

Who It's For

This plugin fits small service businesses such as tutors, consultants, salons, or clinics that need a straightforward hourly booking form on their existing WordPress site. It is best suited for owners who want a lightweight, no-frills scheduling widget rather than a full SaaS-style booking platform.

Who Should Skip It

If you need multi-staff scheduling, WooCommerce payments, SMS reminders, group bookings, or a polished front-end calendar with a modern UI, this plugin is likely too basic. Larger operations or anyone wanting premium integrations should look at Amelia, LatePoint, or Simply Schedule Appointments instead.

The Bottom Line

Appointment Hour Booking delivers a solid, lightweight hourly booking form at a reasonable quality score of 80.11 out of 100, backed by excellent maintenance and very high user ratings. The main caveat is the lack of visible support activity, so if you rely on fast developer help you may want a more actively supported alternative like LatePoint or Amelia.

Related Plugins

The Events Calendar 90/100

Pick this when your booking is tied to public events, ticketing, or recurring calendar entries rather than one-to-one appointments.

Appointment Booking Plugin – LatePoint 85/100

Choose LatePoint for a more modern, SaaS-style booking experience with payments, multiple staff, and a polished dashboard.

OttoKit (formerly SureTriggers) 84/100

Reach for OttoKit when you mainly need to connect your booking system to other tools via automation rather than rebuild the booking UI itself.

Simply Schedule Appointments 84/100

Pick Simply Schedule Appointments if you want a friendlier setup wizard, native Zoom and Google Calendar sync, and stronger ongoing support.

Amelia 83/100

Choose Amelia for serious service businesses that need multi-employee scheduling, package bookings, WooCommerce payments, and a premium front-end look.