CVE-2021-21209

Name of the Vulnerable Software and Affected Versions: Google Chrome versions prior to 90.0.4430.72 Microsoft Edge (affected versions not specified)

Description: The issue is related to an inappropriate implementation in storage, allowing a remote attacker to leak cross-origin data via a crafted HTML page. This is due to a poorly implemented security check for standard elements. Exploitation of the issue may allow an attacker to gain unauthorized access to protected information using a specially crafted web page.

Recommendations: For Google Chrome versions prior to 90.0.4430.72, update to version 90.0.4430.72 or later to resolve the issue. For Microsoft Edge, at the moment, there is no information about a newer version that contains a fix for this vulnerability.