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CVE-2016-1781

17
FAUCET Score

CVE-2016-1781 describes a vulnerability in WebKit, affecting Apple iOS before version 9.3 and Safari before 9.1, where improper handling of attachment URLs could allow remote web servers to track users. This is a medium-severity vulnerability with a CVSS score of 4.3, indicating a network-based attack requiring user interaction, resulting in a low impact on confidentiality. There is no evidence of active exploitation, readily available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.0.3CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
<= 9.2.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

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: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
3.0

Exploit Intelligence

EPSS Score
1.29%
Probability of exploitation in next 30 days
EPSS Percentile
67.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0129 is in the 80th percentile among its peer group of 26,234 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

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

lists.apple.com / archives/security-announce/2015/Dec/msg00000.html
Vendor Advisory
lists.apple.com / archives/security-announce/2015/Dec/msg00003.html
Vendor Advisory
support.apple.com / HT205635
Vendor Advisory
support.apple.com / HT205639
Vendor Advisory
securityfocus.com / archive/1/537948/100/0/threaded
securitytracker.com / id/1035353