The Polyfill domain was reportedly sold to a Chinese company, dubbed Funnull, back in February. A site linked to data protection firm Leak Signal notes: "There are many risks associated with allowing ...

Polyfill.io, a JavaScript library that nullifies differences between web browser versions, was infected with malware and used in supply chain attacks after the project owner changed in February 2024, ...

Threat actors are leveraging the popular Polyfill.io service to conduct large-scale supply chain attacks, which has sent shockwaves across the infosec industry. In a blog post on Tuesday, researchers ...

A site formerly used to host a service geared towards adding JavaScript polyfills to web pages to ensure compatibility with older browsers is being abused to serve malicious scripts as part of a ...

A domain that more than 100,000 websites use to deliver JavaScript code is now being used as a conduit for a Web supply chain attack that uses dynamically generated payloads, redirects users to ...

Domain registrar Namecheap has suspended the domain of Polyfill.io, a JavaScript library that was found to be infected with malware. Namecheap Takes Down Polyfill.io ...

In context: Polyfills are snippets of JavaScript code that provide modern features on older web browsers. There's nothing wrong with polyfills per se, but miscreants and cyber-criminals can easily ...