Simple Custom CSS and JS v3.54
Easily add Custom CSS or JS to your website with an awesome editor.
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- Audit coverage Not yet audited newest version pending
- On Plugin Auditor since Sep 1, 2026
- Last audited Sep 1, 2026
Compatibility & requirements
The PHP and WordPress versions this plugin needs, and how current its version support is.
- Requires PHP 5.2.4+
- Requires WordPress 3.0.1+
- Tested up to WP 7.0 WP 7.1.3 is current
Audit scores by category
125 checksHow this plugin scores across the six areas we audit, from security to accessibility.
- 89 Passed
- 28 Warnings
- 8 Failed
28 of 37 checks passed.
40 of 61 checks passed.
9 of 12 checks passed.
5 of 6 checks passed.
3 of 3 checks passed.
4 of 6 checks passed.
Code footprint
How much code ships in this plugin, and the file types that make it up.
ZIP file size
404.4 KB
1.4 MB unzipped
Total files
71
across all file types
Lines of PHP
3,069
in 7 files Small
File types
- JS
- CSS
- PHP
- PNG
- Other
Top issues
The most important findings from the latest audit, ordered by severity.
- 1 Critical
- 169 High
- 61 Medium
- 88 Low
This is a preview of notable findings. Full file-level results, line numbers and code context are in the scan.
View full reportHow scores changed across versions
Across 30 audited versions of Simple Custom CSS and JS, Security improved the most (+3). The largest regression was in Performance (-17). The codebase grew 16% in size.
Audited 3.31.1 → 3.53 · 30 versions
How issues changed across versions
Findings by severity for each audited version, so you can see which issues were fixed over time.
Download momentum
How fast this plugin is being installed lately, and whether that pace is rising or slowing.
Last 7 days
10,886
downloads
Today
973
downloads
Week over week
−14%
vs previous week
Month over month
−14%
vs previous month
Download trend: Declining. Abandonment risk: None.
Version intelligence
100% of installs run the current version
- Other
- v3.50
- v3.51
- v3.52
- v3.53
Maintenance & history
How actively this plugin is kept up, from its last update to its release history.
Last updated
This month
May 20, 2026
Actively maintainedRelease cadence
~ every 20 days
average between releases
Total releases
78
since Feb 2017 · 9 yrs
Contributors & developers
The people credited with building and maintaining this plugin.
Running Simple Custom CSS and JS in Your Site?
Simple Custom CSS and JS and its trademarks are used only to identify the plugin analyzed and remain the property of their owners. This is an independent Plugin Auditor audit, not affiliated with, sponsored by, or endorsed by the plugin's developer. Metadata may come from WordPress.org; scores, findings, classifications, and visualizations are independently generated by Plugin Auditor. Full disclaimer.