chromium-browser: Privilege Escalation in extensions
Published Jun 27, 2019
8.8
HIGHCVSS 3.0
EPSS 0.91%
Description
Insufficient validation of input in Blink in Google Chrome prior to 66.0.3359.170 allowed a remote attacker to perform privilege escalation via a crafted HTML page.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<66.0.3359.170
- Version
No data.
Red Hat Enterprise Linux 6 Supplementary
chromium-browser-0:66.0.3359.170-1.el6_9
Fixed · RHSA-2018:1446
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 Supplementary | chromium-browser-0:66.0.3359.170-1.el6_9 | Fixed | RHSA-2018:1446 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.91% (0.00910) | 58.53th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.86% (0.00861) | 56.95th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.13% (0.00129) | 48.31th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.13% (0.00129) | 47.44th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.21% (0.00215) | 58.78th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.15% (0.00151) | 49.45th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.32% (0.00324) | 2.86th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.32% (0.00324) | 0.00th | v1 |
References (6)
- https://access.redhat.com/security/cve/CVE-2018-6121 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1577113 Issue Tracking
- https://chromereleases.googleblog.com/2018/05/stable-channel-update-for-desktop.html x_refsource_MISC
- https://crbug.com/836858 x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2018-6121
- https://www.cve.org/CVERecord?id=CVE-2018-6121
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-6121 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1577113 | Issue Tracking | |
| https://chromereleases.googleblog.com/2018/05/stable-channel-update-for-desktop.html | x_refsource_MISC | |
| https://crbug.com/836858 | x_refsource_MISC | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-6121 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-6121 |
Change history (0)
No recorded changes yet.