Steps to Reproduce:
Install Firefox
Open https://commons.wikimedia.org/wiki/Category:Conifer_leaves
Open browser console (in tools, web developer menu)
Clear console
Click "good pictures"
Actual Results:
"Content Security Policy: The page’s settings observed the loading of a resource at https://fastcci1.wmflabs.org/?c1=1685819&d1=15&s=200&a=fqv (“default-src”). A CSP report is being sent." in the browser console
Expected Results:
I see list of good pictures