CVE-2021-30533

MediumActively exploited (CISA KEV)

Description

Insufficient policy enforcement in PopupBlocker in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass navigation restrictions via a crafted iframe.

SeverityMedium

CVSS6.5

Exploit probability—

Product

Google Chromium PopupBlocker

PublishedJun 7, 2021

First seenJun 7, 2021

Added to KEVJun 27, 2022

Weakness typeCWE-863Incorrect authorization

How to fix

CISA required action

Apply updates per vendor instructions.

CISA due date: Jul 18, 2022

Update

google chrome91.0.4472.77 or later

Vendor advisories

security.gentoo.org/glsa/202107-06
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/

Affected products

Product	Affected versions	Fixed in
google chrome	v < 91.0.4472.77	91.0.4472.77
fedoraproject fedora	33, 34	—

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