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CVE-2026-28871

19
FAUCET Score

CVE-2026-28871 addresses a logic issue (CWE-79) in older versions of Safari, iOS/iPadOS, and macOS Tahoe, which could enable a cross-site scripting (XSS) attack via a maliciously crafted website. This Medium severity vulnerability (CVSS 4.3) has a network attack vector and low complexity, potentially leading to low confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage for this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 26.4CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
< 18.7.7CPE matchmatch criteria
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
>= 26.0, < 26.4CPE matchmatch criteria
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
< 18.7.7CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
>= 26.0, < 26.4CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

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
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
19.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 20th 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

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 (4)

ubuntupatch availablevia ubuntu_usn
Product: webkit2gtk (noble)Fixed in: 2.52.3-0ubuntu0.24.04.1
ubuntupatch availablevia ubuntu_usn
Product: webkit2gtk (questing)Fixed in: 2.52.3-0ubuntu0.25.10.1
ubuntupatch availablevia ubuntu_usn
Product: webkit2gtk (resolute)Fixed in: 2.52.3-0ubuntu0.26.04.2
applevendor investigatingvia apple_support
View patch

Vendor Advisories (5)

ubuntuUSN-8237-1

WebKitGTK vulnerabilities

May 6, 2026
appleapple:126792LOW

About the security content of iOS 26.4 and iPadOS 26.4 - Apple Support

appleapple:126793LOW

About the security content of iOS 18.7.7 and iPadOS 18.7.7 - Apple Support

appleapple:126794LOW

About the security content of macOS Tahoe 26.4 - Apple Support

appleapple:126800

About the security content of Safari 26.4 - Apple Support

References

support.apple.com / en-us/126792
Release NotesVendor Advisory
support.apple.com / en-us/126793
Release NotesVendor Advisory
support.apple.com / en-us/126794
Release NotesVendor Advisory
support.apple.com / en-us/126800
Release NotesVendor Advisory