CVE-2025-30466
CRITICALCVSS 9.8/10EPSS 0.26%
Last modified
CVE-2025-30466 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. This issue was addressed through improved state management. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, visionOS 2.4. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
Description
This issue was addressed through improved state management. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, visionOS 2.4. A website may be able to bypass Same Origin Policy.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 18.4 |
| Apple | Ipados | < 18.4 |
| Apple | Iphone Os | < 18.4 |
| Apple | Macos | < 15.4 |
| Apple | Visionos | < 2.4 |
References
- https://support.apple.com/en-us/122371Release Notes, Vendor Advisory
- https://support.apple.com/en-us/122373Release Notes, Vendor Advisory
- https://support.apple.com/en-us/122378Release Notes, Vendor Advisory
- https://support.apple.com/en-us/122379Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2025-30466?
This issue was addressed through improved state management. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, visionOS 2.4. A website may be able to bypass Same Origin Policy.
How severe is CVE-2025-30466?
CVE-2025-30466 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2025-30466?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-30466?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST