CVE-2021-1420: Cisco Webex Meetings HTML Injection Vulnerability
A vulnerability in certain web pages of Cisco Webex Meetings could allow an unauthenticated, remote attacker to modify a web page in the context of a user's browser. The vulnerability is due to improper checks on parameter values in affected pages. An attacker could exploit this vulnerability by persuading a user to follow a crafted link that is designed to pass HTML code into an affected parameter. A successful exploit could allow the attacker to alter the contents of a web page to redirect the user to potentially malicious websites, or the attacker could use this vulnerability to conduct further client-side attacks.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this Cisco Webex Meetings vulnerability?
The vulnerability ID for this Cisco Webex Meetings vulnerability is CVE-2021-1420.
What is the severity of CVE-2021-1420?
The severity of CVE-2021-1420 is medium with a severity value of 4.7.
How can an attacker exploit CVE-2021-1420?
An attacker can exploit CVE-2021-1420 by modifying a web page in the context of a user's browser.
What is the affected software for CVE-2021-1420?
The affected software for CVE-2021-1420 is Cisco Webex Meetings.
Where can I find more information about CVE-2021-1420?
You can find more information about CVE-2021-1420 on the Cisco Security Advisory page.