CVE-2021-30533 — Google Chromium PopupBlocker Security Bypass Vulnerability

CISA KEV listed Added June 27, 2022 Remediate by July 18, 2022

Description

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.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-30533

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