6.5
CVE-2021-30533
- EPSS 8.37%
- Published 07.06.2021 20:15:08
- Last modified 05.02.2025 14:01:03
- Source chrome-cve-admin@google.com
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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.
Data is provided by the National Vulnerability Database (NVD)
Fedoraproject ≫ Fedora Version33
Fedoraproject ≫ Fedora Version34
27.06.2022: CISA Known Exploited Vulnerabilities (KEV) Catalog
Google Chromium PopupBlocker Security Bypass Vulnerability
VulnerabilityGoogle 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.
DescriptionApply updates per vendor instructions.
Required actions| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 8.37% | 0.919 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 6.5 | 2.8 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
|
| nvd@nist.gov | 4.3 | 8.6 | 2.9 |
AV:N/AC:M/Au:N/C:N/I:P/A:N
|
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 6.5 | 2.8 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
|
CWE-863 Incorrect Authorization
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.