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CVE-2018-4319

24
FAUCET Score

CVE-2018-4319 describes a cross-origin vulnerability in iframe elements affecting Apple iOS, watchOS, Safari, iTunes for Windows, and iCloud for Windows versions prior to their respective updates. This high-severity vulnerability (CVSS 8.1) could allow an unauthenticated attacker to achieve high confidentiality and integrity impacts with user interaction, due to improved tracking of security origins being absent. While the vulnerability has a high FAUCET Risk Score of 62/100, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage are minimal, with only one mention and one article identified.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.7CPE matchmatch criteria
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
< 12.9CPE matchmatch criteria
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*
< 12CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
< 12.0CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.07%
Probability of exploitation in next 30 days
EPSS Percentile
61.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0107 is in the 61st 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

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

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

support.apple.com / kb/HT209106
Vendor Advisory
support.apple.com / kb/HT209108
Vendor Advisory
support.apple.com / kb/HT209109
Vendor Advisory
support.apple.com / kb/HT209140
Vendor Advisory
support.apple.com / kb/HT209141
Vendor Advisory