Multisite Custom CSS
WordPress core provides custom CSS functionality in the customizer that's specific to the current theme; you can switch themes freely with each t …
Multisite Custom CSS ranks #13,690 among WordPress.org plugins with 100+ active installations, a 5/5 rating from 8 reviews, and was last updated Jul 19, 2026. Data from WordPress.org, refreshed twice daily — see methodology.
Next Milestone 200
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Security History
Source: WPVulnerabilityNo known vulnerabilities on record for Multisite Custom CSS. Checked 1 month ago.
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- Version
- trunk
- Last Updated
- Jul 19, 2026
- Requires WP
- 4.7+
- Tested Up To
- 7
- PHP Version
- N/A
- Author
- Nick Halsey
Support & Rating
- Rating
- ★ ★ ★ ★ ★ 5
- Reviews
- 8
- Support Threads
- 0
- Resolved
- 0%
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TL;DR
AI summary of the plugin's readmeThis plugin is for multisite network administrators who want to give site admins access to custom CSS editing. It solves the problem that site admins can't normally see or edit custom CSS in the customizer because they aren't trusted with unfiltered CSS by default.
- Maps edit_css to edit_theme_options
- Grants site admins unfiltered CSS access
- Enables customizer custom CSS on multisite
- Trusts site admins with custom CSS
Frequently Asked Questions
Common questions about Multisite Custom CSS