Calendar.online / Kalender.digital
Healthy: maintained, last release 17 Jul 2026, no unpatched vulnerabilities.
Based on 3 of 5 areas
| Ownership | 100 |
|---|---|
| Maintenance | 85 |
| Security | 95 |
| Support | No data |
| Reputation | No data |
Quick answers
- Is Calendar.online / Kalender.digital still maintained?
- Yes. Last release 17 Jul 2026, 0 releases in the last 24 months. 17 Jul 2026 · wordpress.org
- Who owns Calendar.online / Kalender.digital, and has it changed hands?
- No change recorded. Main committer kalenderdigital since Apr 2019. 3 Nov 2026 · SVN log
- Was Calendar.online / Kalender.digital removed from wordpress.org?
- No. Listed on wordpress.org as of 3 Nov 2026. 3 Nov 2026 · wordpress.org
- Is Calendar.online / Kalender.digital safe?
- 2 known vulnerabilities, all fixed (latest in 1.0.14). Not on the exploited list. 31 Dec 2025 · Wordfence Intelligence
- Is the latest Calendar.online / Kalender.digital update safe to install?
- No ownership change before 1.0.14. No one-star spike after it. 22 Jul 2024 · 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 | 6 Apr 2019 to 6 Apr 2019, 1 commits |
|---|---|
| kalenderdigital | 6 Apr 2019 to 17 Jul 2026, 47 commits |
2 committers recorded. No ownership change since 2019.
Maintenance
- Last release
- 4 months ago
- Releases, 24 months
- 0
- Tested up to
- 7.1 current
- Requires PHP
- 5.3 supported 8.2+
| Q1 2024 | 0 |
|---|---|
| Q2 2024 | 0 |
| Q3 2024 | 2 |
| Q4 2024 | 0 |
| Q1 2025 | 0 |
| Q2 2025 | 0 |
| Q3 2025 | 0 |
| Q4 2025 | 0 |
| Q1 2026 | 0 |
| Q2 2026 | 0 |
| Q3 2026 | 0 |
| Q4 2026 | 0 |
Last release 17 Jul 2026. Tested with WordPress 7.1 (current).
Reputation
Last 90 days: no reviews. Lifetime: 4.4.
| 5 star | 6 |
|---|---|
| 4 star | 0 |
| 3 star | 0 |
| 2 star | 0 |
| 1 star | 1 |
Security record
1 vulnerability in 24 months (2 on record), patched (latest fixed in 1.0.14).
Show 2 patched vulnerabilities
| Published | Issue | CVSS | Affected | Fixed in | Days to patch |
|---|---|---|---|---|---|
| 31 Dec 2025 | Calendar.online / Kalender.digital <= 1.0.13 - Authenticated (Contributor+) Stored Cross-Site Scripting | 6.4 | <= 1.0.13 | 1.0.14 | n/a |
| 10 Jul 2024 | Calendar.online / Kalender.digital <= 1.0.8 - Authenticated (Contributor+) Stored Cross-Site Scripting | 6.4 | <= 1.0.8 | 1.0.9 | 2 |
Sources: Wordfence Intelligence, CISA Known Exploited Vulnerabilities, readme changelogs.
Support
Support history appears after our first snapshots of the forum counts.
Momentum
2,000+ active installs. History builds with each weekly snapshot.
| 4 May 2026 | 28 |
|---|---|
| 11 May 2026 | 109 |
| 18 May 2026 | 112 |
| 25 May 2026 | 109 |
| 1 Jun 2026 | 80 |
| 8 Jun 2026 | 121 |
| 15 Jun 2026 | 80 |
| 22 Jun 2026 | 63 |
| 29 Jun 2026 | 78 |
| 6 Jul 2026 | 84 |
| 13 Jul 2026 | 121 |
| 20 Jul 2026 | 94 |
| 27 Jul 2026 | 96 |
| 3 Aug 2026 | 129 |
| 10 Aug 2026 | 108 |
| 17 Aug 2026 | 120 |
| 24 Aug 2026 | 79 |
| 31 Aug 2026 | 85 |
| 7 Sep 2026 | 103 |
| 14 Sep 2026 | 110 |
| 21 Sep 2026 | 132 |
| 28 Sep 2026 | 152 |
| 5 Oct 2026 | 133 |
| 12 Oct 2026 | 124 |
| 19 Oct 2026 | 189 |
| 26 Oct 2026 | 174 |
| 2 Nov 2026 | 24 |
Weekly downloads over the last 4 weeks are 22% above the 27-week average.
Healthier alternatives
Same job, rated Healthy, higher Canary Score and at least 10,000 installs. Never sponsored.
Facts
| Version | 1.0.14 |
|---|---|
| Author | kalender.digital |
| Added | 6 Apr 2019 |
| Last updated | 17 Jul 2026 |
| Active installs | 2,000+ |
| Requires WordPress | 4.6 |
| Tested up to | 7.1.4 |
| Requires PHP | 5.3 |
| Category | E-commerce & Shopping |
| Tags | Event, planer, planner, calendar, kalender |
Questions
Is Calendar.online / Kalender.digital still maintained?
Yes. Last release 17 Jul 2026, 0 releases in the last 24 months.
Who owns Calendar.online / Kalender.digital, and has it changed hands?
No change recorded. Main committer kalenderdigital since Apr 2019.
Was Calendar.online / Kalender.digital removed from wordpress.org?
No. Listed on wordpress.org as of 3 Nov 2026.
Is Calendar.online / Kalender.digital safe?
2 known vulnerabilities, all fixed (latest in 1.0.14). Not on the exploited list.
Is the latest Calendar.online / Kalender.digital update safe to install?
No ownership change before 1.0.14. No one-star spike after it.