Skip to content
PluginCanary

Instant CSS

by dylanblokhuis · 3,000+ active installs · Checked 3 Nov 2026
At risk1 Critical1 Warning

At risk: no release in 38 months (last release 21 Sep 2023).

59/ 100 Canary Score

Capped at 59: a Critical signal is open.

Sub-scores for Instant CSS
Ownership100
Maintenance0
Security100
SupportNo data
ReputationNo data

How the score works

Quick answers

Is Instant CSS still maintained?
No. Last release 21 Sep 2023, over 3 years ago. 21 Sep 2023 · wordpress.org
Who owns Instant CSS, and has it changed hands?
No change recorded. 3 Nov 2026 · SVN log
Was Instant CSS removed from wordpress.org?
No. Listed on wordpress.org as of 3 Nov 2026. 3 Nov 2026 · wordpress.org
Is Instant CSS safe?
2 known vulnerabilities, all fixed (latest in 1.2.2). Not on the exploited list. 29 Sep 2023 · Wordfence Intelligence
Is the latest Instant CSS 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.

  • CriticalMNT-1No release in 38 months (last release 21 Sep 2023). Plan a replacement if the plugin is important to your site.20 Sep 2024Evidence
  • WarningMNT-2Tested up to WordPress 6.3.14, 8 major versions behind 7.1.4. Plan a replacement if the plugin is important to your site.3 Nov 2026Evidence

Ownership timeline

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

Committers and their active periods
plugin-master27 Mar 2019 to 27 Mar 2019, 1 commits
dylanblokhuis27 Mar 2019 to 21 Sep 2023, 24 commits

2 committers recorded. No ownership change since 2019.

Maintenance

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

Last release 21 Sep 2023. Tested up to 6.3, 8 major versions behind WordPress 7.1. Release history builds as we see new versions.

Reputation

Last 90 days: no reviews. Lifetime: 4.9.

Rating distribution
5 star14
4 star0
3 star1
2 star0
1 star0

Security record

2 vulnerabilities on record, all patched (latest fixed in 1.2.2).

Show 2 patched vulnerabilities
PublishedIssueCVSSAffectedFixed inDays to patch
29 Sep 2023Instant CSS <= 1.2.1 - Cross-Site Request Forgery4.3<= 1.2.11.2.2n/a
24 Jul 2023Instant CSS <= 1.1.4 - Missing Authorization via AJAX Actions5.3<= 1.1.41.1.5n/a

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

Support

0% of 1 support threads resolved in the last 2 months.

Momentum

3,000+ active installs. History builds with each weekly snapshot.

Weekly downloads, last 27 weeks
Weekly downloads for Instant CSS
4 May 202629
11 May 202661
18 May 202681
25 May 202666
1 Jun 202645
8 Jun 202656
15 Jun 202641
22 Jun 202641
29 Jun 202641
6 Jul 202639
13 Jul 202657
20 Jul 202654
27 Jul 202656
3 Aug 202682
10 Aug 202660
17 Aug 202679
24 Aug 202660
31 Aug 202667
7 Sep 202661
14 Sep 202678
21 Sep 202679
28 Sep 202693
5 Oct 202669
12 Oct 202687
19 Oct 2026111
26 Oct 2026108
2 Nov 202630

Weekly downloads over the last 4 weeks are 31% above 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

Version1.2.2
Authordylanblokhuis
Added27 Mar 2019
Last updated21 Sep 2023
Active installs3,000+
Requires WordPressnot stated
Tested up to6.3.14
Requires PHPnot stated
CategoryDesign & Themes > Custom CSS & Styling
Tagscss, sass, scss, postcss, custom css

Questions

Is Instant CSS still maintained?

No. Last release 21 Sep 2023, over 3 years ago.

Who owns Instant CSS, and has it changed hands?

No change recorded.

Was Instant CSS removed from wordpress.org?

No. Listed on wordpress.org as of 3 Nov 2026.

Is Instant CSS safe?

2 known vulnerabilities, all fixed (latest in 1.2.2). Not on the exploited list.

Is the latest Instant CSS 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 3 Nov 2026.Report a data issue