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Fencer Vulns
medium 5.4

CVE-2018-16086 json

Insufficient policy enforcement in extensions API in Google Chrome prior to 69.0.3497.81 allowed an attacker who convinced a user to instal…

published 2019-06-27 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-7943

cvss
5.4
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

Insufficient policy enforcement in extensions API in Google Chrome prior to 69.0.3497.81 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension.

Patch / fix

  • Google Chrome 69.0.3497.81
  • chromium-browser Ubuntu 16.04 LTS 69.0.3497.81-0ubuntu0.16.04.1
  • chromium-browser Ubuntu 18.04 LTS 69.0.3497.81-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-16086

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • chromium-browser RHEL 6 EXTRAS 69.0.3497.81-1.el6_10

red hat advisories RHSA-2018:2666

  • chromium openSUSE Tumbleweed 93.0.4577.82-1.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1

opensuse advisories openSUSE-SU-2024:10681-1openSUSE-SU-2024:12948-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-16086 updated cvss 4.3

chromium-browser: Script injection in New Tab Page

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 69.0.3497.81-1.el6_10 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 69.0.3497.81-1.el6_10 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 69.0.3497.81-1.el6_10
    fixed: vendor fix RHSA-2018:2666

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 5.4 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N

Affected products

  • Google Chrome

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.