AEGLIX vulnerability intelligence
CVE-2021-30533
MEDIUM · CVSS 6.5 · Analyzed
Published: 2021-06-07 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 6.5 · MEDIUM
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-863
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Google · Chromium PopupBlocker
- Added to catalog
- 2022-06-27
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2022-07-18
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Before (exclusive): 91.0.4472.77
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html
Release Notes · Vendor Advisory
- https://crbug.com/1145553
Exploit · Issue Tracking · Patch · Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
Mailing List · Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
Mailing List · Release Notes
- https://security.gentoo.org/glsa/202107-06
Third Party Advisory
- https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html
Release Notes · Vendor Advisory
- https://crbug.com/1145553
Exploit · Issue Tracking · Patch · Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
Mailing List · Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
Mailing List · Release Notes
- https://security.gentoo.org/glsa/202107-06
Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30533
US Government Resource