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CVE-2023-4077

22
FAUCET Score

CVE-2023-4077 is a medium-severity vulnerability in Google Chrome, affecting versions prior to 115.0.5790.170. It stems from insufficient data validation in Extensions, allowing an attacker to inject scripts or HTML into privileged pages if a user installs a malicious extension. With a CVSS score of 8.8 (High), this vulnerability requires user interaction (installing a malicious extension) but can lead to high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or inclusion in the KEV catalog, though it has received some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 115.0.5790.170, < 115.0.5790.170CPE match
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
< 115.0.5790.170CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.92%
Probability of exploitation in next 30 days
EPSS Percentile
56.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0092 is in the 58th percentile among its peer group of 14,875 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia msrc
Product: Microsoft Edge (Chromium-based)Fixed in: 115.0.1901.200
googlevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

microsoft2023-Aug/CVE-2023-4077

Chromium: CVE-2023-4077 Insufficient data validation in Extensions

Aug 8, 2023

References

chromereleases.googleblog.com / 2023/08/stable-channel-update-for-desktop.html
Release NotesVendor Advisory
crbug.com / 1451146
Permissions Required
lists.fedoraproject.org / archives/list/[email protected]/message/PQKT7EGDD2P3L7S3NXEDDRCPK4NNZNWJ
security.gentoo.org / glsa/202311-11
security.gentoo.org / glsa/202312-07
security.gentoo.org / glsa/202401-34
debian.org / security/2023/dsa-5467