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CVE Watch—

CVE-2021-30533

Google Chromium PopupBlocker Security Bypass Vulnerability

CVSS

—

No CVSS

EPSS

16.6%

p97

KEV

YES

Jun 27, 2022

Exploit Today

79

0-100

Published: — · Last modified: —

EPSS · 30d
16.6%EPSS · 30 days16.6%
2026-08-022026-08-31
KEV catalog record

Product

Google / Chromium PopupBlocker

Vulnerability

Google Chromium PopupBlocker Security Bypass Vulnerability

Added to KEV

Jun 27, 2022

Remediate by

Jul 18, 2022

Known ransomware use

No

Summary 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

Related CVEs

No related CVEs by CWE or product.