Firetruck

CVE-2021-30533

KEV
Updated Oct 21, 2025 · PUBLISHED
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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.

Full record on cve.org →

Affected packages

PackageVendor / ProductVersion rangeStatus
ChromeGoogle / Chrome>= unspecified, < 91.0.4472.77affected