CVE-2026-28871
Received Received - Intake
Cross-Site Scripting in Safari and iOS via Malicious Websites

Publication date: 2026-03-25

Last updated on: 2026-03-30

Assigner: Apple Inc.

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.
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Meta Information
Published
2026-03-25
Last Modified
2026-03-30
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-14
NVD
CVE-2026-28871
EUVD
EUVD-2026-15149
Affected Vendors & Products
Showing 6 associated CPEs
Vendor Product Version / Range
apple ipados to 18.7.7 (exc)
apple ipados From 26.0 (inc) to 26.4 (exc)
apple iphone_os to 18.7.7 (exc)
apple iphone_os From 26.0 (inc) to 26.4 (exc)
apple macos to 26.4 (exc)
apple safari to 26.4 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability is a logic issue in Apple products such as Safari, iOS, iPadOS, and macOS Tahoe. It was addressed by implementing improved checks. The issue could be exploited by visiting a maliciously crafted website, which may lead to a cross-site scripting (XSS) attack.

Impact Analysis

If exploited, this vulnerability can lead to a cross-site scripting attack. This means that an attacker could execute malicious scripts in the context of your browser or device by tricking you into visiting a specially crafted website. This could result in unauthorized actions, data theft, or other malicious activities.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, update affected Apple products to the fixed versions: Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, or macOS Tahoe 26.4.

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