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Add Cross-Origin-Embedder-Policy to Match (CO-2720) #68

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Add Cross-Origin-Embedder-Policy to Match (CO-2720) #68

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b9a5004
Add Cross-Origin-Embedder-Policy to Match (CO-2720)
arlen Jun 25, 2025
cd9ba6a
Fix quotes for COEP and COOP to be strictly standards compliant (CO-2…
arlen Jun 25, 2025
84d370c
White space refactor (post rebase) (CO-2720)
arlen Jul 23, 2025
ab0000d
Tighten up CSP and add explicit Referrer-Policy (CO-2720)
arlen Nov 14, 2025
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8 changes: 5 additions & 3 deletions app/templates/element/httpHeaders.php
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Original file line number Diff line number Diff line change
Expand Up @@ -32,12 +32,14 @@

// CakePHP adds inline event handlers ("oninput" and "oninvalid") to fields as part of FormHelper.
// So as not to throw CSP errors, we must include "script-src-attr 'unsafe-inline'".
header("Content-Security-Policy: object-src 'none'; base-uri 'none'; frame-ancestors 'self'; script-src 'self' 'nonce-$vv_js_nonce'; script-src-attr 'unsafe-inline';");
header("Content-Security-Policy: default-src 'self'; object-src 'none'; base-uri 'none'; frame-ancestors 'self'; script-src 'self' 'nonce-$vv_js_nonce'; script-src-attr 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data:;");

header("X-Content-Type-Options: nosniff");
header("Permissions-Policy: accelerometer=(),autoplay=(),camera=(),cross-origin-isolated=(),display-capture=(),encrypted-media=(),fullscreen=(),geolocation=(),gyroscope=(),keyboard-map=(),magnetometer=(),microphone=(),midi=(),payment=(),picture-in-picture=(),publickey-credentials-get=(),screen-wake-lock=(),sync-xhr=(self),usb=(),web-share=(),xr-spatial-tracking=(),gamepad=(),hid=(),idle-detection=(),interest-cohort=(),serial=()");
header("Cross-Origin-Opener-Policy: same-origin");
header("Permissions-Policy: accelerometer=(),autoplay=(),camera=(),display-capture=(),encrypted-media=(),fullscreen=(),geolocation=(),gyroscope=(),keyboard-map=(),magnetometer=(),microphone=(),midi=(),payment=(),picture-in-picture=(),publickey-credentials-get=(),screen-wake-lock=(),sync-xhr=(self),usb=(),web-share=(),xr-spatial-tracking=(),gamepad=(),hid=(),idle-detection=(),interest-cohort=(),serial=()");
header('Cross-Origin-Opener-Policy: same-origin');
header('Cross-Origin-Embedder-Policy: require-corp');
header("X-Permitted-Cross-Domain-Policies: none");
header("Referrer-Policy: strict-origin-when-cross-origin");

// Add X-UA-Compatible header for IE
if (isset($_SERVER['HTTP_USER_AGENT']) && (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false)) {
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