Appointment Booking Plugin & Scheduling System – Webba Booking Calendar

77 Quality Score

Active Installs

15/30

With 2,000 active installs, this is a niche plugin rather than a mainstream solution, which keeps its popularity score low despite the cap-friendly scaling in the scoring rubric.

Update Freshness

25/25

An update on July 14, 2026 and compatibility with WordPress 7.0.1 indicate the developer is actively maintaining the plugin against the latest core release.

User Rating

15/15

A 98/100 score across 154 ratings is an excellent satisfaction signal, suggesting users who try the plugin tend to be happy with it.

Support Health

8/15

Zero tracked support threads, with 0% resolution rate, is a red flag because it means there is no public history of the developer handling user issues, which may reflect low visibility rather than fast response.

WP Compatibility

15/15

Tested with WordPress 7.0.1, requiring WordPress 5.6 and PHP 7.4, the plugin meets modern standards and should run on virtually any current WordPress host.

Scores higher than 55% of indexed plugins

About

WordPress appointment booking plugin & booking system with appointment scheduling, booking calendar, booking form, event booking and reservations.

Active Installs 2k+

Rating ★★★★½ 4.9/5

Last Updated 2026-09-25 6:52pm GMT

Requires WordPress 5.6+

Tested Up To 7.1.2

Requires PHP 7.4+

Security History

11 known vulnerabilities, all patched

11 Medium

Most recent: July 1, 2026

View details ▸

Advanced Booking & Appointment System – Webba Booking Calendar <= 6.4.13 - Missing Authorization Medium

July 1, 2026 Patched in ["6.4.14"] CVE-2026-27409

Freemius <= 2.10.1 - Reflected DOM-Based Cross-Site Scripting via url Parameter Medium

April 30, 2026 Patched in ["5.1.8"] CVE-2024-13362

Webba Booking <= 6.2.1 - Missing Authorization Medium

December 15, 2025 Patched in ["6.2.2"] CVE-2025-66530

Webba Booking <= 6.0.5 - Authenticated (Administrator+) Stored Cross-Site Scripting Medium

August 14, 2025 Patched in ["6.0.6"] CVE-2025-54729

Webba Booking <= 5.1.20 - Missing Authorization Medium

July 16, 2025 Patched in ["5.1.22"] CVE-2025-54040

Webba Booking <= 5.1.20 - Cross-Site Request Forgery Medium

July 16, 2025 Patched in ["5.1.21"] CVE-2025-54036

Appointment & Event Booking Calendar Plugin – Webba Booking <= 5.0.48 - Missing Authorization to Authenticated (Subscriber+) CSS Settings Update Medium

September 23, 2024 Patched in ["5.0.50"] CVE-2024-8432

Webba Booking <= 4.5.33 - Cross-Site Request Forgery Medium

December 26, 2023 Patched in ["5.0"] CVE-2023-51354

Freemius SDK <= 2.5.9 - Reflected Cross-Site Scripting via fs_request_get Medium

July 18, 2023 Patched in ["4.5.32"] CVE-2023-33999

Webba Booking <= 4.2.21 - Authenticated (Admin+) Stored Cross-Site Scripting Medium

April 15, 2022 Patched in ["4.2.22"] CVE-2021-36847

Freemius SDK <= 2.4.2 - Missing Authorization Checks Medium

March 4, 2022 Patched in ["4.2.18"] CVE-2022-4974

What It Does

Easy Appointment Booking & Scheduling System (Webba Booking Calendar) is a WordPress plugin that lets visitors book hourly or full-day appointments through a front-end calendar, while site owners manage bookings, send notifications, and sync external calendars from the admin dashboard.

Who It's For

This plugin is best for small businesses, consultants, tutors, and service providers who need a straightforward appointment booking system without paying for premium tiers. With 2,000 active installs and a 98/100 user rating, it suits operators who want a lightweight scheduler rather than a full enterprise platform.

Who Should Skip It

If you run a high-traffic operation handling tens of thousands of bookings or need advanced features like group bookings, payment gateways, or staff rotation out of the box, you should skip the free version and look at a more established alternative.

The Bottom Line

Webba Booking Calendar earns a 76.98/100 overall score, with strong ratings and maintenance offset by low visibility and an empty public support record. It is a reasonable pick for small operators on a budget, but anyone running a serious appointment-driven business should weigh the 2,000-install footprint against larger alternatives like Amelia or Bookly.

Pick Simply Schedule Appointments if you want a far larger install base (60,000+) and a more polished admin UI for non-technical staff.

Booking for Appointments and Events Calendar: Amelia 83/100

Choose Amelia if you need a feature-rich booking system with payment integrations, SMS reminders, and event management built in.

Booking Calendar 83/100

Go with Booking Calendar if you want the most battle-tested scheduler with a 50,000+ install history and years of community documentation.

Online Scheduling and Appointment Booking System: Bookly 82/100

Pick Bookly if you need a modular system with paid add-ons for payments, packages, and custom fields that can scale with a growing business.

WP Booking System: Booking Calendar 81/100

Choose WP Booking System if you need flexible calendar display widgets and a clean front-end booking form without the heavier admin features of Bookly or Amelia.