CVE-2025-43440 — Cross-site Scripting in Apple IOS AND Ipados

CWE-79 — Cross-site ScriptingCWE-20 — Improper Input Validation14 documents8 sources
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 80.83%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
Apple IOS AND IpadosApple MacosApple Safari+5 more
Timeline
PublishedNov 4
Latest updateDec 8

Description

This issue was addressed with improved checks. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages12 packages

▶CVEListV5apple/tvos< 26.1
▶NVDapple/tvos< 26.1
▶CVEListV5apple/macos< 26.1
▶CVEListV5apple/safari< 26.1
▶NVDapple/ipados< 26.1

🔴Vulnerability Details

4
CVEList
CVE-2025-43440: This issue was addressed with improved checks↗2025-11-04
▶
OSV
CVE-2025-43440: This issue was addressed with improved checks This issue is fixed in tvOS 26↗2025-11-04
▶
OSV
CVE-2025-43440: This issue was addressed with improved checks↗2025-11-04
▶
GHSA
GHSA-gh9m-4g47-fhpv: This issue was addressed with improved checks This issue is fixed in Safari 26↗2025-11-04
▶

📋Vendor Advisories

9
Ubuntu
WebKitGTK vulnerabilities↗2025-12-08
▶
Red Hat
webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash↗2025-11-20
▶
Apple
CVE-2025-43440: tvOS 26.1↗2025-11-03
▶
Apple
CVE-2025-43440: watchOS 26.1↗2025-11-03
▶
Apple
CVE-2025-43440: iOS 26.1 and iPadOS 26.1↗2025-11-03
▶
CVE-2025-43440 — Cross-site Scripting in Apple | cvebase