Violation report fields
The page contains an inline <script> tag without a nonce. Under Content-Security-Policy-Report-Only, the browser does not block it — but it sends a violation report. effectiveDirective is "script-src-elem" even though the policy only contains "default-src". blockedURL is "inline" — a special keyword, not a URL.
Response header
Content-Security-Policy-Report-Only: default-src 'self'
Markup triggering violation
<script>void 0;</script>
Violation report