CVE-2026-28871

State: Published
Severity: 4.3 Medium
Published: Mar 25, 2026
Updated: Oct 26, 2026
Reserved: Mar 3, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N	CISA-ADP

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
SafariApple	before 26.4Affected
iOS and iPadOSApple	before 18.7.7Affected before 26.4Affected
macOSApple	before 26.4Affected

References

https://support.apple.com/en-us/126792
https://support.apple.com/en-us/126793
https://support.apple.com/en-us/126794
https://support.apple.com/en-us/126800

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