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security · security.x-frame-options.missing

Missing X-Frame-Options header

Without it your pages can be embedded in an invisible iframe for clickjacking attacks.

Why it matters

X-Frame-Options (or frame-ancestors CSP) prevents your site being embedded in iframes for clickjacking attacks.

Example fix

X-Frame-Options: SAMEORIGIN

Authoritative reference

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Frame-Options

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