polyfill.io CDN turned malicious on 100k+ sites ยท updates https://pwn.watch/i/polyfill-io-supply-chain-attack The polyfill.io domain and GitHub account were bought in February 2024 by a Chinese company. The CDN, embedded via cdn.polyfill.io on more than 100,000 sites, then served malicious JavaScript that redirected some mobile visitors to a sports betting site. Sansec exposed it on 2024-06-25. Cloudflare began rewriting polyfill.io links to its own mirror, and Namecheap put the domain on hold. en Thu, 27 Jun 2024 00:00:00 GMT polyfill.io CDN turned malicious on 100k+ sites: Cloudflare rewrites cdn.polyfill.io to its mirror; Namecheap puts the domain on hold https://pwn.watch/i/polyfill-io-supply-chain-attack https://pwn.watch/i/polyfill-io-supply-chain-attack#2024-06-27-3f1192aa Thu, 27 Jun 2024 00:00:00 GMT high <p><a href="https://sansec.io/research/polyfill-supply-chain-attack">Source</a></p> polyfill.io CDN turned malicious on 100k+ sites: Sansec reports the polyfill.io supply-chain attack hitting 100k+ sites https://pwn.watch/i/polyfill-io-supply-chain-attack https://pwn.watch/i/polyfill-io-supply-chain-attack#2024-06-25-8b77a867 Tue, 25 Jun 2024 00:00:00 GMT high <p><a href="https://sansec.io/research/polyfill-supply-chain-attack">Source</a></p>