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PluginCanary

Simple Custom CSS Plugin

by John Regan · 100,000+ active installs · Checked 4 Nov 2026
Watch2 Warnings

Watch: tested up to WordPress 6.7.11, 4 major versions behind 7.1.4.

71/ 100 Canary Score
Sub-scores for Simple Custom CSS Plugin
Ownership100
Maintenance20
Security100
SupportNo data
ReputationNo data

How the score works

Quick answers

Is Simple Custom CSS Plugin still maintained?
No. Last release 11 Mar 2025, over 1 year ago. 11 Mar 2025 · wordpress.org
Who owns Simple Custom CSS Plugin, and has it changed hands?
No change recorded. Main committer johnregan3 since Aug 2013. 4 Nov 2026 · SVN log
Was Simple Custom CSS Plugin removed from wordpress.org?
No. Listed on wordpress.org as of 4 Nov 2026. 4 Nov 2026 · wordpress.org
Is Simple Custom CSS Plugin safe?
No known vulnerabilities on record. 4 Nov 2026 · Wordfence Intelligence
Is the latest Simple Custom CSS Plugin update safe to install?
Not enough data. No release date on record for the current version. Release history

Active signals

Facts we detected, with links to the source.

  • WarningMNT-2Tested up to WordPress 6.7.11, 4 major versions behind 7.1.4. Plan a replacement if the plugin is important to your site.3 Nov 2026Evidence
  • WarningMNT-1No release in 20 months (last release 11 Mar 2025). Plan a replacement if the plugin is important to your site.11 Mar 2026Evidence

Ownership timeline

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

Committers and their active periods
johnregan36 Aug 2013 to 11 Mar 2025, 43 commits

1 committer recorded. No ownership change since 2013.

Maintenance

Last release
20 months ago
Releases, 24 months
0
Tested up to
6.7 vs 7.1
Requires PHP
not stated supported 8.2+

Last release 11 Mar 2025. Tested up to 6.7, 4 major versions behind WordPress 7.1. Release history builds as we see new versions.

Reputation

Last 90 days: no reviews. Lifetime: 4.7.

Average rating per quarter for Simple Custom CSS Plugin
Q1 20245.0
Q4 20245.0
Q4 20254.0
Q1 20263.0

Average rating fell from 5.0 to 3.0 between Q1 2024 and Q1 2026.

Rating distribution
5 star143
4 star7
3 star1
2 star0
1 star8
Latest low reviews

Security record

No published vulnerabilities on record for this plugin.

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

Support

Support history appears after our first snapshots of the forum counts.

Momentum

100,000+ active installs. History builds with each weekly snapshot.

Weekly downloads, last 27 weeks
Weekly downloads for Simple Custom CSS Plugin
4 May 2026575
11 May 20263,043
18 May 20263,198
25 May 20262,494
1 Jun 20261,824
8 Jun 20261,768
15 Jun 20261,732
22 Jun 20262,010
29 Jun 20261,534
6 Jul 20261,534
13 Jul 20261,943
20 Jul 20261,782
27 Jul 20261,438
3 Aug 20261,394
10 Aug 20261,327
17 Aug 20261,764
24 Aug 20261,607
31 Aug 20261,675
7 Sep 20261,673
14 Sep 20261,636
21 Sep 20261,961
28 Sep 20261,803
5 Oct 20261,820
12 Oct 20261,492
19 Oct 20263,263
26 Oct 20261,865
2 Nov 2026303

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

Healthier alternatives

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

Visual CSS Style EditorScore 100 · 30,000+Infinity23 (Formerly Tag Manager)Score 100 · 20,000+PDF.js ViewerScore 100 · 20,000+Advance Custom HTMLScore 100 · 10,000+ShortcoderScore 96 · 100,000+

Facts

Version4.0.7
AuthorJohn Regan
Added6 Aug 2013
Last updated11 Mar 2025
Active installs100,000+
Requires WordPress3.0.1
Tested up to6.7.11
Requires PHPnot stated
CategoryDesign & Themes > Custom CSS & Styling
Tagscss, code, custom, styles, custom css

Other plugins by this author: Simple Copy Post Button

Questions

Is Simple Custom CSS Plugin still maintained?

No. Last release 11 Mar 2025, over 1 year ago.

Who owns Simple Custom CSS Plugin, and has it changed hands?

No change recorded. Main committer johnregan3 since Aug 2013.

Was Simple Custom CSS Plugin removed from wordpress.org?

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

Is Simple Custom CSS Plugin safe?

No known vulnerabilities on record.

Is the latest Simple Custom CSS Plugin update safe to install?

Not enough data. No release date on record for the current version.

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