Anyone who uses the popular Cisco WebEx extension for Chrome should update to the latest version pronto. Google security researcher Tavis Ormandy recently discovered a serious vulnerability in the Chrome extension that leaves PCs wide open to attack.
In older versions of the extension (before version 1.0.3) malicious actors could add a “magic string” to a web address or file hosted on a website. The magic string was designed to remotely activate the WebEx browser extension. Once the extension was activated the bad guys could execute malicious code on the target machine.
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