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CVE-2023-40451

25
FAUCET Score

CVE-2023-40451 is a high-severity vulnerability affecting Apple Safari, where an attacker with JavaScript execution could achieve arbitrary code execution due to insufficient iframe sandbox enforcement. With a CVSS score of 8.8, this vulnerability has a network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no public exploits, Metasploit modules, or Nuclei templates are available, and there is minimal community discussion or media coverage, the issue was addressed in Safari 17.

Impacted Technologies

VendorProductVersion(s)CPE
< 17.0CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
< 17CPE match
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*

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
0.96%
Probability of exploitation in next 30 days
EPSS Percentile
58.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0096 is in the 59th percentile among its peer group of 14,875 CVEs.

Social Chatter

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

No media coverage found for this CVE.

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 (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 Extended Lifecycle SupportFixed in: webkitgtk4-0:2.48.3-2.el7_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: webkit2gtk3-0:2.40.5-1.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: webkit2gtk3-0:2.40.5-1.el9
View patch
applevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2023-40451Moderate

webkitgtk: attacker with JavaScript execution may be able to execute arbitrary code

Sep 28, 2023

References

webkitgtk.org / security/WSA-2023-0009.html
seclists.org / fulldisclosure/2023/Oct/2
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202401-33
support.apple.com / en-us/HT213941
Vendor Advisory
openwall.com / lists/oss-security/2023/09/28/3
Mailing List