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CVE-2021-30533: Google Chromium PopupBlocker

EPSS16.7%No. 1168 of 1739 in KEV
CVE year2021~1 yrs before listing
Same vendor in KEV75
Same product1
FieldValue
VendorGoogle
ProductChromium PopupBlocker
NameGoogle Chromium PopupBlocker Security Bypass Vulnerability
Added to KEV2022-06-27
US federal due date2022-07-18
Ransomware useUnknown
CWECWE-863

CISA 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.

NVD — CVE-2021-30533

Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page

A Google Chromium PopupBlocker vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2022-06-27.