React conquered XSS? Think again. That's the reality facing JavaScript developers in 2025, where attackers have quietly evolved their injection techniques to exploit everything from prototype ...

Polyfill.io helps web developers achieve cross-browser compatibility by automatically managing necessary polyfills. By adding a script tag to their HTML, developers can ensure that features like ...

The Polyfill supply chain attack is possibly around three times bigger than previously thought, experts have warned. Rather than the 100,000 sites previously thought to be hit, new findings from the ...

The supply chain attack targeting the widely-used Polyfill[.]io JavaScript library is broader in scope than previously thought, with new findings from Censys showing that over 380,000 hosts are ...

More than 384,000 websites are linking to a site that was caught last week performing a supply-chain attack that redirected visitors to malicious sites, researchers said. For years, the JavaScript ...

WordPress plugins are currently facing significant security risks due to a recent discovery detailed in a security advisory published by Patchstack today. The advisory references a Polyfill supply ...

How well is the field of software supply chain security evolving in the year 2024? A BlackBerry research presented recently shows that more than three-quarters of software supply chains have been ...

In a series of angry Xeets over the past three days, what's likely the CDN operator that owns the Polyfill service accused Cloudflare, the media, and others of "malicious defamation" and "slander." ...

Claims, counterclaims, website shutdowns, redirections and DDoS attacks were among the highlights (or lowlights) as news of the Polyfill supply chain attack entered its second day. After Polyfill(.)io ...

Cloudflare is replacing all references to the Polyfill.io domain in a highly unusual move. The open-source JavaScript application library reportedly spread malicious code after a Chinese takeover, ...

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 ...