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Calendar Plus

by webjunk · Booking & Events

Also makes 2 other plugins · 110+ installs across the portfolio →

Free audit wp.org ↗

A simple Calendar plugin for WordPress that allows 2 seperate calendars. This can be used as a drop-in replacement for the original Calendar plugin.

⚠ Stale⚠ Likely abandoned⚠ Few reviews
How scoring works →
41 Health · D
Maintenance 3/100
Rating quality 65/100
Support 70/100

41 health vs 67 average across 981 Booking & Events plugins

70+

Active installs

≈77 estimated

27.4K

Total downloads

since 2010

3.60★

Rating (adjusted)

0.0★ raw · 0 reviews

+29%

80

Downloads · 30d

category median +17%

High removal-risk signals

63/100

Maintenance and integrity signals that tend to precede a WordPress.org removal. Not an official status, a heads-up to act.

  • Long abandoned. No update in 15+ years — the top precursor to removal once a vulnerability is found.
  • Compatibility drift. Tested only up to WordPress 3.0.5, well behind 6.8.

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.

33 / 100

Under-optimized

Biggest win: Update recency

Update recency 0/100
WP compatibility 1/100
Rating quality 49/100
Listing tuning 92/100

To rank higher: Last updated 5773 days ago — ship an update; wp.org decays a listing's search weight after ~180 days.

Get the full rank-higher report →

Daily downloads

Since 2022-10-05 · 1,426 days · wp.org + Plugin Pulse archive

+29% vs prior 30d
1Downloads · Aug 26

30-day downloads

Rolling 30-day volume · peaks are release surges

80

now · peak 2.3K

8030d downloads · Aug 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

Calendar Plus · #20134 you Calendar · #3429 FT Calendar · #15746 AM Events · #17262

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.

1.1Kper 1k installs · Aug 26

What its installed base runs

via wordpress.org

Share of active installs on each version of this plugin · 100% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.

v1.2 100%

Estimated active installs

The public count shows “70+”. Our estimate pins where the real number sits.

modeled estimate
70–80 ≈77

Modeled within the band wp.org reports; tightens as we track daily.

Install history · since 2015-10-09 · 1,384 observations

70Installs · Aug 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.

Ratings · 0 reviews

Read on wp.org ↗
5★
0 4★
0 3★
0 2★
0 1★
0

Details

Version
1.2.4
Last updated
15.8y ago
Added
2010-10-15 · 15 yrs old
Requires WP
2.0
Tested up to
3.0.5
Requires PHP
—
Changelog ↗Support forum ↗Reviews ↗Advanced stats ↗

Known vulnerabilities

via Wordfence Intelligence

1 disclosed vulnerability on record for this plugin, 1 still affects the current version.

  1. Medium · 6.1 Calendar Plus <= 1.2.4 - Reflected Cross-Site Scripting ↗
    2025-09-12 CVE-2025-53350 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Affects <= 1.2.4 No patch available

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 7.2.16 · WP 5.2.4

✓ 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

Growth timeline

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

  1. 2026-08-31 50+ → 70+ up after 101 days in tier
  2. 2026-05-22 30+ → 50+ up after 1 days in tier
  3. 2026-05-21 50+ → 30+ down after 5 days in tier
  4. 2026-05-16 30+ → 50+ up after 1 days in tier
  5. 2026-05-15 50+ → 30+ down after 3 days in tier
  6. 2026-05-12 30+ → 50+ up after 1 days in tier
  7. 2026-05-11 50+ → 30+ down after 3 days in tier
  8. 2026-05-08 40+ → 50+ up after 21 days in tier

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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Calendar Plus: 70+ active installs, 0.0★ (0 reviews). Plugin Pulse (WP Mayor), as of 2026-08-31. https://plugins.wpmayor.com/plugin/calendar-plus