Jun 26, 2024 14:00:00 Malware infects JavaScript library 'Polyfill.io' affecting over 100,000 websites. Polyfill.io, a JavaScript library that nullifies differences between web browser versions ...

'Polyfill.io (polyfill.js)' is a JavaScript library developed by Andrew Betts that allows developers to develop without worrying about differences in functionality between versions of web browsers.

Over 100,000 sites have been impacted in a supply chain attack by the Polyfill.io service after a Chinese company acquired the domain and the script was modified to redirect users to malicious and ...