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Booking calendar, Appointment Booking System

by wpdevart · Booking & Events

Also makes 9 other plugins · 45.9K+ installs across the portfolio →

Booking calendar plugin is an awesome tool for creating appointment booking calendars and Scheduling systems in a few minutes.

Removed from WordPress.org

wp.org closed this plugin on 2026-07-31. It's no longer installable or updated. If you're running it, plan a replacement: closures are often security-related and WordPress won't warn you.

How scoring works →
85 Health · A
Maintenance 91/100
Rating quality 90/100
Support 70/100

85 health vs 67 average across 979 Booking & Events plugins

Directory ranking optimization

How it's scored →

How well this listing is tuned to rank in WordPress.org search, on the factors an owner controls. Not popularity, optimization.

97 / 100

Excellent listing optimization

Well tuned across the board

Update recency 100/100
WP compatibility 100/100
Rating quality 89/100
Listing tuning 100/100

Daily downloads

Since 2022-10-05 · 1,396 days · wp.org + Plugin Pulse archive

-13% vs prior 30d
46Downloads · Jul 26

30-day downloads

Rolling 30-day volume · peaks are release surges

886

now · peak 10.9K

95630d downloads · Jul 26

Directory rank vs rivals

wp.org popularity rank over time · higher is better · when a rival's line climbs above yours, they've overtaken you

Booking calendar, Ap · #3708 you Online Scheduling an · #641 Time Slot · #13711 Easy Booked · #15026

Rating trend

Star average over time · dips mark rough releases

4.6Stars · Jul 26

Update activity

How busy the existing users are, measured as downloads in the last 30 days for every 1,000 active sites. A spike means a new release everyone's pulling; a long, slow decline means an aging user base that updates less.

319per 1k installs · Jul 26

Release cadence

Actively maintained
from wp.org release tags

How often this plugin actually ships. A steady rhythm is the maintenance signal a single "last updated" date can't show.

6

releases in the last 12 months

5mo ago

latest release · v3.2.36

256

tagged releases on record

Recent releases

3.2.36 · 5mo ago3.2.35 · 6mo ago3.2.34 · 7mo ago3.2.33 · 7mo ago3.2.32 · 8mo ago3.2.31 · 9mo ago3.2.30 · 1.0y ago3.2.28 · 1.3y ago3.2.27 · 1.3y ago3.2.26 · 1.3y ago3.2.25 · 1.5y ago3.2.24 · 1.5y ago3.2.23 · 1.6y ago3.2.22 · 1.6y ago

What its installed base runs

via wordpress.org

Share of active installs on each version of this plugin · 97% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.

v3.2 97%
Older / other versions 3.2%

Estimated active installs

The public count shows “3K+”. Our estimate pins where the real number sits.

tracked estimate
3K–4K ≈3.5K

Refined from the date this plugin crossed into its current band.

Install history · since 2016-01-01 · 1,451 observations

3KInstalls · Jul 26

Estimated value

What this plugin might earn a year, and what it might sell for. Modeled from public signals; we don't see anyone's books.

Est. annual revenue

N/A

Est. acquisition value

N/A

No paid tier is visible, so we don't put a figure on revenue or sale value: that would be guessing. The install base is a real asset to an acquirer, just not one public data lets us price. A small install base leaves thin data to model from.

Details

Version
3.2.36
Last updated
5mo ago
Added
2015-12-13 · 10 yrs old
Requires WP
3.4.0
Tested up to
6.9.5
Requires PHP

Recent reviews

All reviews on wp.org ↗
  1. lukassarga
    2.1y ago

    Awesome plugin and support

    Read on wp.org ↗
  2. Antonio
    2.6y ago

    The plugin performs its function 100% and after an initial configuration error on my part, the assistance from the developers was exceptional and led me to the solution, solving my problem, allowing me to use the plugin correctly

    Read on wp.org ↗
  3. Kimbot
    3.9y ago

    This is a very good booking calendar plugin for WordPress. Easy to set up, easy for the end user to work with and great support when you need it. All good! Thank you.

    Read on wp.org ↗
  4. Blurst
    3.9y ago

    I tried to get it to work, but was unable to select dates from the calendar, and there is no way to enter them manually. I was probably a bit hasty, in my review. I’ll be more diligent next time. I guess you have to manually specify the available dates ahead of time. Sounds like that might work for some applications. I’ll keep looking for something more suitable. This topic was modified 3 years, 10 months ago by Blurst.

    Read on wp.org ↗
  5. chradda
    4.2y ago

    Best Support, best service

    Read on wp.org ↗
  6. pinca
    4.4y ago

    Guys have helped me a lot and provided me with everything I needed. I can only recommend.

    Read on wp.org ↗
  7. fwehb
    4.7y ago

    Found this plugin and tested it in the free version. It was easy to install and intuitive in administration to me. Decided to buy a pro version for the hours functionality we needed. After installation and customization we found a small slightly annoying misplaced hover and asked support. With fast reaction times, and a straight forward way to the solution we banned that in 2 days. Thanks to the team!

    Read on wp.org ↗
  8. marantz9
    4.9y ago

    the function i need is 1. Is it possible to cancel a reservation without registering as a member? 2. Is it possible to limit the number of people by day and time? 3. Is it possible to write html? Of the two, the most important is 1 and 2

    Read on wp.org ↗

Latest updates

via wp.org changelog

Recent releases and news for this plugin

  1. Version 1.0.0 Initial version. 1.0.0
  2. Version 1.0.1 Bug fixed. 1.0.1
  3. Version 1.0.2 Bug fixed. 1.0.2
  4. Version 1.0.3 Fixed notices. 1.0.3
  5. Version 1.0.4 Fixed bug. 1.0.4
  6. Version 1.0.5 Added animations. 1.0.5

Known vulnerabilities

via Wordfence Intelligence

23 disclosed vulnerabilities on record for this plugin, 5 still affect the current version.

  1. 2026-08-18 CVE-2026-73395 Authorization Bypass Through User-Controlled Key Affects <= 3.2.36 No patch available
  2. 2026-08-17 CVE-2026-14334 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Affects <= 3.2.36 No patch available
  3. 2026-08-14 CVE-2026-8840 Missing Authorization Affects <= 3.2.36 No patch available
  4. 2026-07-02 CVE-2026-57778 Missing Authorization Affects <= 3.2.36 No patch available
  5. 2026-03-18 CVE-2026-25435 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Affects <= 3.2.36 No patch available
  6. 2025-12-15 CVE-2025-67574 Missing Authorization Affects <= 3.2.30 Patched in 3.2.31
  7. 2025-07-01 CVE-2026-15289 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Affects <= 3.2.17 Patched in 3.2.18
  8. 2025-01-06 CVE-2024-12077 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Affects <= 3.2.19 Patched in 3.2.20
  9. 2024-12-23 CVE-2024-10856 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Affects <= 3.2.19 Patched in 3.2.20
  10. 2024-11-25 CVE-2024-9504 Unrestricted Upload of File with Dangerous Type Affects <= 3.2.15 Patched in 3.2.16
  11. 2024-01-27 CVE-2023-24407 Missing Authorization Affects <= 3.2.3 Patched in 3.2.4
  12. 2023-10-29 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Affects <= 3.2.11 Patched in 3.2.12
  13. 2023-09-12 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Affects < 3.2.9 Patched in 3.2.9
  14. 2023-04-19 CVE-2022-47428 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Affects <= 3.2.6 Patched in 3.2.7
  15. 2023-01-27 CVE-2022-47438 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Affects <= 3.2.3 Patched in 3.2.4
  16. 2023-01-27 CVE-2023-24373 External Control of Assumed-Immutable Web Parameter Affects <= 3.2.3 Patched in 3.2.4
  17. 2023-01-27 CVE-2023-24388 Cross-Site Request Forgery (CSRF) Affects <= 3.2.3 Patched in 3.2.4
  18. 2022-11-21 CVE-2022-3982 Unrestricted Upload of File with Dangerous Type Affects <= 3.2.1 Patched in 3.2.2
  19. 2018-06-07 CVE-2018-10363 Improper Input Validation Affects <= 2.2.2 Patched in 2.2.3
  20. 2018-01-12 CVE-2018-5673 Cross-Site Request Forgery (CSRF) Affects < 2.1.8 Patched in 2.1.8
  21. 2018-01-11 CVE-2018-5670 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Affects < 2.1.8 Patched in 2.1.8
  22. 2018-01-11 CVE-2018-5672 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Affects < 2.1.8 Patched in 2.1.8
  23. 2018-01-11 CVE-2018-5671 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Affects < 2.1.8 Patched in 2.1.8

Vulnerability records provided by Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. License and terms.

CVE records: Copyright 1999-2026 The MITRE Corporation. CVE terms of use.

Behavioral tests

via WP Hive

Automated install-time checks, tested on PHP 8.1.12 · WP 7.0.1

Low memory footprint
Low page-speed impact
Runs on latest PHP + WP
No PHP errors
No JS errors
Activates cleanly
No resource errors
No external HTTP errors
Optimized database use
Frequently updated

Languages

via translate.wordpress.org

Translated into 9 languages, 1 at 90% or more

Dutch (Belgium) 100%
Russian 58%
French (France) 47%
German (Formal) 35%
Ukrainian 33%
Spanish (Spain) 20%
Czech 19%
German 17%
Italian 1%

Growth timeline

Install-tier crossings we have observed, and how long each tier took to outgrow

  1. 2026-07-14 4K+ → 3K+ down after 860 days in tier
  2. 2024-03-06 3K+ → 4K+ up after 53 days in tier
  3. 2024-01-13 4K+ → 3K+ down after 308 days in tier
  4. 2023-03-11 5K+ → 4K+ down

Competes with

The plugins that solve the same job, ranked by shared tags then reach, closest match first. The letter on the right is each plugin's health grade (A best, F worst).

Compare head to head →

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Booking calendar, Appointment Booking System: 3K+ active installs, 4.6★ (115 reviews). Plugin Pulse (WP Mayor), as of 2026-08-25. https://plugins.wpmayor.com/plugin/booking-calendar