Previously, security researchers found web skimmers (Magecart scripts) inside favicons, site logos, live chat windows, and, most recently, in social media sharing buttons.

Nasty piece of CSS code crashes and restarts iPhones Vulnerability most likely affects any iOS and macOS app that uses the WebKit rendering engine to display web pages. Apple is investigating.

Large CSS files can pose challenges, such as slowing down the site and making maintenance more complex.

A client‑side remote code execution flaw in Google Web Designer for Windows poses a severe threat, allowing attackers to inject malicious CSS into configuration files to subvert internal APIs and ...