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CVE-2018-17477

17
FAUCET Score

CVE-2018-17477 describes an incorrect dialog placement vulnerability in Google Chrome prior to version 70.0.3538.67, also affecting Debian and Red Hat distributions. This medium-severity vulnerability (CVSS 4.3) allows a remote attacker to spoof extension popup content via a crafted HTML page, requiring user interaction but having a low impact on integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion, with its EPSS score indicating a very low probability of exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 70.0.3538.67CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.19%
Probability of exploitation in next 30 days
EPSS Percentile
64.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0119 is in the 77th percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:70.0.3538.67-1.el6_10
View patch

Vendor Advisories (1)

redhatCVE-2018-17477Low

chromium-browser: UI spoof in Extensions

Oct 16, 2018

References

access.redhat.com / errata/RHSA-2018:3004
chromereleases.googleblog.com / 2018/10/stable-channel-update-for-desktop.html
crbug.com / 863703
security.gentoo.org / glsa/201811-10
debian.org / security/2018/dsa-4330
securityfocus.com / bid/105666