VULNERABILITY INTELLIGENCE
CVE-2021-30533
CVSS score6.5 MEDIUM
EPSS probability16.74%
CISA KEVKnown exploited vulnerability
Published2021-06-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Known Exploited Vulnerability
Google Chromium PopupBlocker Security Bypass Vulnerability
Vendor / product: Google / Chromium PopupBlocker
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.
Weakness classification
- nvd@nist.gov: CWE-863
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-863
Primary references
- chrome-cve-admin@google.com — Release Notes, Vendor Advisory
- chrome-cve-admin@google.com — Exploit, Issue Tracking, Patch, Vendor Advisory
- chrome-cve-admin@google.com — Mailing List, Release Notes
- chrome-cve-admin@google.com — Mailing List, Release Notes
- chrome-cve-admin@google.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Release Notes
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Release Notes
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource