WordPress plugin
Custom CSS Addons security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High0
- Medium1
- Low0
All Custom CSS Addons vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.1 | Reflected Cross-Site Scripting ≤1.9.1No patch available | CVE-2025-23578 |
- Medium6.1Reflected Cross-Site Scripting
≤1.9.1No patch available
Custom CSS Addons: common questions
Does Custom CSS Addons have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Custom CSS Addons: 1 medium. At least one is not fixed in the latest version.
How do I check which version of Custom CSS Addons I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Custom CSS Addons vulnerability?
CVE-2025-23578, published Jan 16, 2025: Custom CSS Addons <= 1.9.1 - Reflected Cross-Site Scripting. Severity: Medium (CVSS 6.1).
Is any Custom CSS Addons vulnerability listed in CISA KEV?
No. None of the known Custom CSS Addons vulnerabilities is currently listed in the CISA KEV catalog.