security: remove polyfill.io script tag#351
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The polyfill.io domain was compromised in 2024 and used to inject malicious JavaScript via CDN responses. All loaded features (replaceAll, IntersectionObserver, map, reduce) are natively supported by all modern browsers — no alternative needed.
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Currents Tests: Tryber.me tests failed after 3m 46.8s Run Details
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Summary
polyfill.ioCDN script tag frompublic/index.htmlThe polyfill.io domain was sold in 2024 to an external company that started injecting malicious JavaScript into CDN responses, targeting mobile users with redirects to scam sites. The original library author publicly recommended against using it, and AGID published an official advisory.
All loaded features (
String.prototype.replaceAll,IntersectionObserver,Array.prototype.map,Array.prototype.reduce) are natively supported by all browsers released in the last 5 years — no alternative polyfill is needed.Reference: https://www.agid.gov.it/it/notizie/polyfillio-il-cert-agid-consiglia-alle-pa-che-lo-utilizzano-sui-loro-siti-di-rimuoverlo
Test plan
replaceAll,IntersectionObserver,map,reducestill work as expected