Known vulnerabilities in Add Admin CSS

Easily define additional CSS (inline and/or by URL) to be added to all administration pages.

1Reported vulnerabilities

5.3Highest CVSS score

2.5.1Latest version

10,000+Active installs

What to do now

Update Add Admin CSS to 2.5 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: December 8, 2025 / Tested up to WordPress: 6.9.7 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2024-6547	Medium 5.3	0.4%	0 to 2.0.1 (inclusive)	`2.5`	July 27, 2024

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.