Koalendar
Healthy: maintained, last release 5 Sep 2026, 1 release in 24 months, no unpatched vulnerabilities.
| Ownership | 100 |
|---|---|
| Maintenance | 100 |
| Security | 95 |
| Support | 70 |
| Reputation | 70 |
Quick answers
- Is Koalendar still maintained?
- Yes. Last release 5 Sep 2026, 1 release in the last 24 months. 5 Sep 2026 · wordpress.org
- Who owns Koalendar, and has it changed hands?
- No change recorded. Main committer koalendar since Aug 2021. 3 Nov 2026 · SVN log
- Was Koalendar removed from wordpress.org?
- No. Listed on wordpress.org as of 3 Nov 2026. 3 Nov 2026 · wordpress.org
- Is Koalendar safe?
- 1 known vulnerability, fixed (latest in 1.0.3). Not on the exploited list. 13 Dec 2024 · Wordfence Intelligence
- Is the latest Koalendar update safe to install?
- No ownership change before 1.0.6. No one-star spike after it. 5 Sep 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.
| plugin-master | 20 Aug 2021 to 20 Aug 2021, 1 commits |
|---|---|
| koalendar | 21 Aug 2021 to 5 Sep 2026, 9 commits |
2 committers recorded. No ownership change since 2021.
Maintenance
- Last release
- 2 months ago
- Releases, 24 months
- 1
- Tested up to
- 7.1 current
- Requires PHP
- not stated supported 8.2+
| Q1 2024 | 0 |
|---|---|
| Q2 2024 | 0 |
| Q3 2024 | 0 |
| Q4 2024 | 0 |
| Q1 2025 | 0 |
| Q2 2025 | 0 |
| Q3 2025 | 0 |
| Q4 2025 | 0 |
| Q1 2026 | 0 |
| Q2 2026 | 0 |
| Q3 2026 | 1 |
| Q4 2026 | 0 |
Last release 5 Sep 2026. Tested with WordPress 7.1 (current).
Reputation
Last 90 days: no reviews. Lifetime: 5.0.
| 5 star | 9 |
|---|---|
| 4 star | 0 |
| 3 star | 0 |
| 2 star | 0 |
| 1 star | 0 |
Security record
1 vulnerability in 24 months, patched (latest fixed in 1.0.3).
Show 1 patched vulnerability
| Published | Issue | CVSS | Affected | Fixed in | Days to patch |
|---|---|---|---|---|---|
| 13 Dec 2024 | Koalendar - Events & Appointments Booking Calendar <= 1.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via height Parameter | 6.4 | <= 1.0.2 | 1.0.3 | n/a |
Sources: Wordfence Intelligence, CISA Known Exploited Vulnerabilities, readme changelogs.
Support
Support history appears after our first snapshots of the forum counts.
Momentum
1,000+ active installs. History builds with each weekly snapshot.
| 4 May 2026 | 49 |
|---|---|
| 11 May 2026 | 103 |
| 18 May 2026 | 83 |
| 25 May 2026 | 63 |
| 1 Jun 2026 | 51 |
| 8 Jun 2026 | 74 |
| 15 Jun 2026 | 48 |
| 22 Jun 2026 | 48 |
| 29 Jun 2026 | 63 |
| 6 Jul 2026 | 52 |
| 13 Jul 2026 | 49 |
| 20 Jul 2026 | 53 |
| 27 Jul 2026 | 57 |
| 3 Aug 2026 | 71 |
| 10 Aug 2026 | 65 |
| 17 Aug 2026 | 92 |
| 24 Aug 2026 | 80 |
| 31 Aug 2026 | 523 |
| 7 Sep 2026 | 224 |
| 14 Sep 2026 | 211 |
| 21 Sep 2026 | 169 |
| 28 Sep 2026 | 191 |
| 5 Oct 2026 | 168 |
| 12 Oct 2026 | 175 |
| 19 Oct 2026 | 246 |
| 26 Oct 2026 | 196 |
| 2 Nov 2026 | 32 |
Weekly downloads over the last 4 weeks are 35% above the 27-week average.
Healthier alternatives
Same job, rated Healthy, higher Canary Score and at least 10,000 installs. Never sponsored.
Facts
| Version | 1.0.6 |
|---|---|
| Author | koalendar |
| Added | 21 Aug 2021 |
| Last updated | 5 Sep 2026 |
| Active installs | 1,000+ |
| Requires WordPress | 2.5 |
| Tested up to | 7.1.4 |
| Requires PHP | not stated |
| Category | not stated |
| Tags | booking, calendar, Koalendar, scheduling, appointment scheduling |
Questions
Is Koalendar still maintained?
Yes. Last release 5 Sep 2026, 1 release in the last 24 months.
Who owns Koalendar, and has it changed hands?
No change recorded. Main committer koalendar since Aug 2021.
Was Koalendar removed from wordpress.org?
No. Listed on wordpress.org as of 3 Nov 2026.
Is Koalendar safe?
1 known vulnerability, fixed (latest in 1.0.3). Not on the exploited list.
Is the latest Koalendar update safe to install?
No ownership change before 1.0.6. No one-star spike after it.