Admin CSS MU

How well this listing is tuned to rank in WordPress.org search, on the factors an owner controls. Not popularity, optimization.

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

How often this plugin actually ships. A steady rhythm is the maintenance signal a single "last updated" date can't show.

Share of active installs on each version of this plugin · 85% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.

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

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.

Reviewers say it does exactly one job well, adding custom CSS to the admin, with a couple noting it can't handle media queries or multiple selectors and asking for an update for newer WordPress and PHP.

1. ★★★★★ hirenwebs

   2.4y ago

   This plugin helped me to enable table columns in device mode. Good plugin to use it.

   Read on wp.org ↗
2. ★★★★★ Jimmy Lee

   2.5y ago

   Exactly what I needed! Thanks so much!

   Read on wp.org ↗
3. ★★★★★ tlcpllechlak

   2.8y ago

   Thank you!

   Read on wp.org ↗
4. ★★★★★ tokach

   2.9y ago

   It do simple css but can’t handle media queries or multiple selectors. Better it simply add styles than making them pretty, I bet tidying is messing all

   Read on wp.org ↗
5. ★★★★★ Mara-z

   2.9y ago

   Works great. Thank you.

   Read on wp.org ↗
6. ★★★★★ mikguel

   2.9y ago

   Works perfectly, thanks! good job!

   Read on wp.org ↗
7. ★★★★★ Sean

   3.0y ago

   All I needed to do was add some custom css to display the WPML language switcher in wp-admin on mobile: #wp-admin-bar-WPML_ALS { display: block!important; } Now the plugin repository notes that this plugin has not been tested with the latest version of WP, but I am using it on 6.3 and also php 8.1 and it seems to be fine.

   Read on wp.org ↗
8. ★★★★★ laserstore

   3.5y ago

   A very simple method for add a css custom in admin panel. Very good!

   Read on wp.org ↗

Recent releases and news for this plugin

1. — Version 2.10 Date: 04.October.2023 Tested with WordPress 6.3.1 Enhancement: Added compatibility with PHP 8.x 2.10
2. — Version 2.9 Date: 16.May.2023 Tested on WordPress 6.2 Enhancement: Added support for justify-content . align-items , and flex-wrap in CSSTidy. 2.9
3. — Version 2.8 Date: 9.February.2023 Tested on WordPress 6.1.1 Enhancement: Added support for flex-direction in CSSTidy. 2.8
4. — Version 2.7 Date: 19.October.2022 Tested on WordPress 6.0.3. Security Fix: Deleted unwanted files in CSSTidy. Thanks Darius from Patchstack for the heads up. 2.7
5. — Version 2.6 Date: 17.May.2021 Tested on WordPress 5.7.2 Updated CSSTidy to 1.7.3 Added support for CSS properties grid-gap and grid-template-columns. Fix PHP warning: PHP Warning: “continue” targeting switch is equivalent to “break” 2.6
6. — Version 2.5 Date: 18.January.2018 Added support for PHP version lesser than PHP 5.5 Updated text domain. For plugins, text domain should be the slug which is admin-css-mu in this case Tested with WordPress 4.9.2 2.5

1 disclosed vulnerability on record for this plugin, fixed in the current version. Sites on older versions stay exposed until they update.

1. High · 8.3 CSSTidy - Server-Side Request Forgery ↗
   2023-03-03 CVE-2022-40700 Server-Side Request Forgery (SSRF) Affects <= 2.6 Patched in 2.7

Automated install-time checks, tested on PHP 8.1.12 · WP 6.3.1

Translated into 2 languages, 2 at 90% or more · development strings

Growth timeline

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

No tier crossings observed yet.

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).

• Loginizer 1M+ installs · 4.8★ · 1 shared tag A
• Redux Framework 900K+ installs · 4.4★ · 1 shared tag A
• Admin Menu Editor 300K+ installs · 4.6★ · 1 shared tag A
• White Label CMS 200K+ installs · 4.6★ · 1 shared tag A
• Advanced Custom Fields: Extended 100K+ installs · 4.7★ · 1 shared tag B
• Nested Pages 90K+ installs · 4.6★ · 1 shared tag A

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Admin CSS MU: 10K+ active installs, 4.5★ (26 reviews). Plugin Pulse (WP Mayor), as of 2026-08-29. https://plugins.wpmayor.com/plugin/admin-css-mu