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PluginCanary

WP Simple Booking Calendar

by Roland Murg · 10,000+ active installs · Checked 4 Nov 2026
Healthy

Healthy: maintained, last release 29 Jun 2026, 2 releases in 24 months, no unpatched vulnerabilities.

93/ 100 Canary Score

Based on 3 of 5 areas

Sub-scores for WP Simple Booking Calendar
Ownership100
Maintenance85
Security95
SupportNo data
ReputationNo data

How the score works

Quick answers

Is WP Simple Booking Calendar still maintained?
Yes. Last release 29 Jun 2026, 2 releases in the last 24 months. 29 Jun 2026 · wordpress.org
Who owns WP Simple Booking Calendar, and has it changed hands?
No change recorded. Main committer murgroland since Oct 2019. 4 Nov 2026 · SVN log
Was WP Simple Booking Calendar removed from wordpress.org?
No. Listed on wordpress.org as of 4 Nov 2026. 4 Nov 2026 · wordpress.org
Is WP Simple Booking Calendar safe?
4 known vulnerabilities, all fixed (latest in 2.0.14). Not on the exploited list. 16 Apr 2025 · Wordfence Intelligence
Is the latest WP Simple Booking Calendar update safe to install?
No ownership change before 2.0.16. No one-star spike after it. 29 Jun 2026 · Release history

Active signals

Facts we detected, with links to the source.

No open risk signals. Signals appear here when we detect an ownership change, closure, vulnerability or decline.

Ownership timeline

Who commits to the plugin's code on wordpress.org, over time.

Committers and their active periods
bryght11 Aug 2011 to 6 Jun 2019, 103 commits
iova.mihai23 May 2018 to 12 Mar 2019, 4 commits
murgroland9 Oct 2019 to 29 Jun 2026, 62 commits

3 committers recorded. No ownership change since 2011.

Maintenance

Last release
4 months ago
Releases, 24 months
2
Tested up to
7.0 vs 7.1
Requires PHP
5.6 supported 8.2+
Releases per quarter
Releases per quarter for WP Simple Booking Calendar
Q1 20240
Q2 20241
Q3 20242
Q4 20243
Q1 20250
Q2 20250
Q3 20250
Q4 20250
Q1 20260
Q2 20261
Q3 20260
Q4 20260

Last release 29 Jun 2026. Tested up to 7.0, 1 major version behind WordPress 7.1.

Reputation

Last 90 days: no reviews. Lifetime: 4.8.

Average rating per quarter for WP Simple Booking Calendar
Q4 20235.0
Q2 20245.0
Q3 20245.0
Q1 20255.0
Q2 20255.0
Q4 20255.0
Q1 20265.0
Q2 20265.0

Average rating stayed at 5.0 between Q4 2023 and Q2 2026.

Rating distribution
5 star211
4 star4
3 star5
2 star1
1 star6
Latest low reviews

Security record

1 vulnerability in 24 months (4 on record), patched (latest fixed in 2.0.14).

Show 4 patched vulnerabilities
PublishedIssueCVSSAffectedFixed inDays to patch
16 Apr 2025WP Simple Booking Calendar <= 2.0.13 - Missing Authorization4.3<= 2.0.132.0.14Patched before disclosure
12 Sep 2024WP Simple Booking Calendar <= 2.0.10 - Reflected Cross-Site Scripting6.1<= 2.0.102.0.11Patched before disclosure
27 Dec 2023WP Simple Booking Calendar <= 2.0.8.4 - Cross-Site Request Forgery4.3<= 2.0.8.42.0.8.5n/a
6 Aug 2021WP Simple Booking Calendar <= 2.0.6 - Authenticated SQL Injection8.8<= 2.0.62.0.7n/a

Sources: Wordfence Intelligence, CISA Known Exploited Vulnerabilities, readme changelogs.

Support

100% of 1 support threads resolved in the last 2 months.

Momentum

10,000+ active installs. History builds with each weekly snapshot.

Weekly downloads, last 27 weeks
Weekly downloads for WP Simple Booking Calendar
4 May 2026126
11 May 2026327
18 May 2026348
25 May 2026292
1 Jun 2026326
8 Jun 2026337
15 Jun 2026311
22 Jun 2026325
29 Jun 20266,009
6 Jul 20261,286
13 Jul 2026703
20 Jul 2026669
27 Jul 2026645
3 Aug 2026591
10 Aug 2026587
17 Aug 2026630
24 Aug 2026629
31 Aug 2026546
7 Sep 2026428
14 Sep 2026537
21 Sep 2026479
28 Sep 2026499
5 Oct 2026525
12 Oct 2026471
19 Oct 20261,119
26 Oct 2026700
2 Nov 202692

Weekly downloads over the last 4 weeks are 18% below the 27-week average.

Healthier alternatives

Same job, rated Healthy, higher Canary Score and at least 10,000 installs. Never sponsored.

SimplyBook.meScore 100 · 30,000+MotoPress Hotel Booking StylesScore 100 · 10,000+MotoPress Hotel Booking for ElementorScore 100 · 10,000+

Facts

Version2.0.16
AuthorRoland Murg
Added11 Aug 2011
Last updated29 Jun 2026
Active installs10,000+
Requires WordPress4.7
Tested up to7.0.8
Requires PHP5.6
CategoryBookings & Scheduling > Booking & Reservations
Tagsbookings, calendar, Belegungsplan, booking calendar, availability calendar

Other plugins by this author: WP Booking System - Booking Calendar, Current Menu Item for Custom Post Types

Questions

Is WP Simple Booking Calendar still maintained?

Yes. Last release 29 Jun 2026, 2 releases in the last 24 months.

Who owns WP Simple Booking Calendar, and has it changed hands?

No change recorded. Main committer murgroland since Oct 2019.

Was WP Simple Booking Calendar removed from wordpress.org?

No. Listed on wordpress.org as of 4 Nov 2026.

Is WP Simple Booking Calendar safe?

4 known vulnerabilities, all fixed (latest in 2.0.14). Not on the exploited list.

Is the latest WP Simple Booking Calendar update safe to install?

No ownership change before 2.0.16. No one-star spike after it.

Data: wordpress.org Plugins API, plugins SVN and Trac, wordpress.org reviews and support forum, Wordfence Intelligence, CISA KEV, NVD.Plugin data refreshed 4 Nov 2026.Report a data issue