Within days of Microsoft announcing that they are introducing custom JavaScript equations in Excel, a security researcher has developed a way to use this method to load the CoinHive in-browser ...

Javascript in Excel sparks security worries. ... "I can think of a few more examples that maliciously-minded developers might be keen to try out," anti-virus industry veteran Graham Cluley commented.

At its Ignite conference, Microsoft today announced an update to Excel that brings a new JavaScript API to the venerable spreadsheet app. With this new API, developers will be able to create ...