Several popular Web browsers contain a vulnerability that could be used by cybercriminals to steal personal data, security company Secunia has warned.The flaw would allow a phishing attack in ...

A Proofpoint spokesperson said the popup box instructed people to paste text into a PowerShell terminal or Windows Run dialogue box.

In an alert published on Tuesday, Secunia said that the flaw would allow a phishing attack where a malicious JavaScript pop-up window appeared in front of a trusted Web site.