WordPress plugin
Custom CSS and JavaScript 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 and JavaScript vulnerabilities
Nothing in this view
No vulnerabilities match this filter. Show all.
Custom CSS and JavaScript: common questions
Does Custom CSS and JavaScript have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Custom CSS and JavaScript: 1 medium. At least one is not fixed in the latest version.
How do I check which version of Custom CSS and JavaScript 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 and JavaScript vulnerability?
CVE-2026-66683, published Aug 6, 2026: Custom CSS and JavaScript <= 2.0.16 - Unauthenticated Information Exposure. Severity: Medium (CVSS 5.3).
Is any Custom CSS and JavaScript vulnerability listed in CISA KEV?
No. None of the known Custom CSS and JavaScript vulnerabilities is currently listed in the CISA KEV catalog.