CVE-2026-43708
published 2026-06-29CVE-2026-43708: The issue was addressed with improved input validation. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious…
PriorityP419medium4.3CVSS 3.1
AVNACLPRNUIRSUCLINAN
EPSS
0.21%
10.7th percentile
The issue was addressed with improved input validation. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious website may exfiltrate data cross-origin.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | < 26.5.2 | 26.5.2 |
| apple | ipados | < 26.5.2 | 26.5.2 |
| apple | iphone_os | < 26.5.2 | 26.5.2 |
| apple | macos | < 26.5.2 | 26.5.2 |
| apple | safari | < 26.5.2 | 26.5.2 |
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VulDB
Apple Safari/iOS/iPadOS/macOS up to 26.5.1 Website cross-domain policy
vuldb·2026-06-30·CVSS 4.3
CVE-2026-43708 [MEDIUM] Apple Safari/iOS/iPadOS/macOS up to 26.5.1 Website cross-domain policy
A vulnerability, which was classified as problematic, has been found in Apple Safari, iOS, iPadOS and macOS up to 26.5.1. Affected is an unknown function of the component Website Handler. This manipulation causes permissive cross-domain policy with untrusted domains.
This vulnerability is registered as CVE-2026-43708. Remote exploitation of the attack is possible. No exploit is available.
It is advisable to upgrade the affected component.
GHSA
The issue was addressed with improved input validation.
ghsa_unreviewed·2026-06-29
CVE-2026-43708 [MEDIUM] CWE-20 The issue was addressed with improved input validation.
The issue was addressed with improved input validation. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious website may exfiltrate data cross-origin.
No detection rules found.
No public exploits indexed.
2026-06-29
Published