Custom User CSS
Custom User CSS has one disclosed vulnerability in the WordSec catalog, all reported in 2024; it remains unpatched as of September 2026. Their average CVSS score is 4.3, and the most serious one scores 4.3 out of 10.
The most common weakness is Cross-Site Request Forgery (CSRF), behind 1 of the records (100%).
The one issue recorded for Custom User CSS has no published fix yet, which makes virtual patching the only reliable mitigation. The oldest unresolved one dates back to 2024.
All of these findings were reported by Daniel Ruf.
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