Cybersecurity Alerts

Actively Exploited Vulnerabilities

← Back to Cybersecurity Alerts

CVE-2021-30533

Google | Chromium PopupBlockerAdded 2022-06-27Remediation Deadline 2022-07-18

Google Chromium PopupBlocker Security Bypass Vulnerability

Google Chromium PopupBlocker contains an insufficient policy enforcement vulnerability that allows a remote attacker to bypass navigation restrictions via a crafted iframe. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Required Action

Apply updates per vendor instructions.

Weakness Classification

CWE-863

References