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CVE-2023-5478

15
FAUCET Score

CVE-2023-5478 describes an inappropriate implementation in Google Chrome's Autofill feature prior to version 118.0.5993.70, affecting Google Chrome and Debian-based systems. This vulnerability, rated Medium severity (CVSS 4.3), allows a remote attacker to leak cross-origin data through a crafted HTML page, requiring user interaction. While the potential impact is a low-level data leak, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 118.0.5993.70, < 118.0.5993.70CPE match
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
< 118.0.5993.70CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
12.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.77%
Probability of exploitation in next 30 days
EPSS Percentile
51.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0077 is in the 59th 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

No media coverage found for this CVE.

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 (2)

microsoftpatch availablevia msrc
Product: Microsoft Edge (Chromium-based)Fixed in: 118.0.2088.46
googlevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

microsoft2023-Oct/CVE-2023-5478

Chromium: CVE-2023-5478 Inappropriate implementation in Autofill

Oct 10, 2023

References

chromereleases.googleblog.com / 2023/10/stable-channel-update-for-desktop_10.html
Release NotesVendor Advisory
crbug.com / 1472404
Permissions Required
security.gentoo.org / glsa/202311-11
Third Party Advisory
security.gentoo.org / glsa/202312-07
Third Party Advisory
security.gentoo.org / glsa/202401-34
debian.org / security/2023/dsa-5526
Third Party Advisory