Inside the CSS code they add a CSS variable which stores the URL location of the web skimmer code they want to load inside a hacked store.

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.

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“With code, people see the value in being open source, but with design people say, ‘Hey is my design being stolen?’” he says. “The nature of the web and HTML and CSS is open.