Home / Vulnerabilities / CVE-2021-30533
MEDIUM SEVERITY
CVE-2021-30533 Google · Chromium PopupBlocker

Google Chromium PopupBlocker Security Bypass Vulnerability

Technical Severity

CVSS v3.1 Metrics

MEDIUM
6.5 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Exploitation Likelihood

EPSS Prediction

10.53 %
Predictive Probability
Percentile Rank
93.1 th

Documented as more likely to be exploited than 93.1% of known CVEs.

Detection Date

Jun 27, 2022

Remediation Due

Jul 18, 2022

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence