CVE-2021-21126
6.5
MEDIUM
CVSS 3.1
EPSS 8.7%
Description
Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass site isolation via a crafted Chrome Extension.
How to fix CVE-2021-21126
To remediate CVE-2021-21126, upgrade the affected package to a fixed version below.
- Debian/chromium—upgrade to 88.0.4324.96-0.1 or later
Is CVE-2021-21126 being exploited?
Moderate — EPSS is 8.7%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 88.0.4324.96-0.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |