A highly critical vulnerability has been discovered in the Cisco Systems’ WebEx browser extension for Chrome and Firefox, for the second time in this year, which could allow attackers to remotely execute malicious code on a victim’s computer.
Cisco WebEx is a popular communication tool for online events, including meetings, webinars and video conferences that help users connect and collaborate with colleagues around the world. The extension has roughly 20 million active users.
“This vulnerability affects the browser extensions for Cisco WebEx Meetings Server, Cisco WebEx Centers (Meeting Center, Event Center, Training Center, and Support Center), and Cisco WebEx Meetings when they are running on Microsoft Windows,” Cisco confirmed in an advisory released today.
Fortunately, Apple’s Safari, Microsoft’s Internet Explorer and Microsoft’s Edge are not affected by this vulnerability.
Cisco WebEx Productivity Tools, Cisco WebEx browser extensions for Mac or Linux, and Cisco WebEx on Microsoft Edge or Internet Explorer are not affected by the vulnerability, the company confirmed.