CSP Mistakes with Aragon Icons and How to Fix Them

If you use Aragon icons and your CSP is even slightly off, the breakage is usually annoying, subtle, and easy to misdiagnose. You see missing icons, blank squares, CSP console noise, or everything works locally but fails in production. I’ve hit this enough times to have strong opinions about it: most CSP problems around icon libraries come from guessing which directive applies. People tweak default-src, maybe throw in img-src data:, and hope for the best. That’s not how CSP works. ...

April 14, 2026 · 7 min · headertest.com