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4.3
CVE-2021-30538: Insufficient policy enforcement in content security policy in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page.
CVE-2021-30538 · published 5 years ago
Summary
Insufficient policy enforcement in content security policy in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page.
What to do
- Update google chrome to version 91.0.4472.77 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| chrome |
< 91.0.4472.77 cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* |
|
| fedoraproject | fedora |
33 34 cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
Original advisory text
Insufficient policy enforcement in content security policy in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page.
Insufficient policy enforcement in content security policy in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page.
References
- https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_... Release Notes Vendor Advisory
- https://crbug.com/1115045 Exploit Issue Tracking Patch Permissions Required Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
- https://security.gentoo.org/glsa/202107-06 Third Party Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Type
CWE-863Incorrect Authorization
Timeline
Published7 Jun 2021
Updated22 Oct 2026
First seen29 Sep 2026
Sources
CVE-2021-30538 · NVD
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