CVE-2026-28871 Details
Description
A logic issue was addressed with improved checks. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4. Visiting a maliciously crafted website may lead to a cross-site scripting attack.
A logic issue in WebKit was addressed with improved checks. This vulnerability is present in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, as well as macOS Tahoe 26.4. Visiting a maliciously crafted website may lead to a cross-site scripting attack.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 27, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.apple.com/en-us/126792 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/126793 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/126794 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/126800 | [email protected] | Release NotesVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| apple safari | < 26.4 |
CPE
Remediation
| |
| apple ipados | < 18.7.7 >= 26.0, < 26.4 |
CPE
Remediation
| |
| apple iphone os | < 18.7.7 >= 26.0, < 26.4 |
CPE
Remediation
| |
| apple macos | < 26.4 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Mar 30, 2026 | Initial Analysis | [email protected] |
| Mar 27, 2026 | CVE Modified | CISA-ADP |
| Mar 25, 2026 | New CVE Received | [email protected] |