CVE-2025-43480

HIGHNVD 8.18.1—

8.1

The 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. A malicious website may exfiltrate data cross-origin.

CVSS v3: 8.1
EG Score: 8.1(medium)
EPSS: 14.0%
KEV: Not listed

Published

November 4, 2025

Last Modified

April 2, 2026

References (6)

product-security@applehttps://support.apple.com/en-us/125632
product-security@applehttps://support.apple.com/en-us/125634
product-security@applehttps://support.apple.com/en-us/125637
product-security@applehttps://support.apple.com/en-us/125638
product-security@applehttps://support.apple.com/en-us/125639
product-security@applehttps://support.apple.com/en-us/125640

Patch Availability(10)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	webkitgtk4-0:2.48.3-2.el7_9	2025-07-07	redhat
redhat	webkit2gtk3-0:2.46.3-1.el8_10	2024-11-14	redhat
redhat	webkit2gtk3-0:2.46.3-1.el8_4	2024-11-14	redhat
redhat	webkit2gtk3-0:2.46.3-1.el8_6	2024-11-14	redhat
redhat	webkit2gtk3-0:2.46.3-1.el8_2	2024-11-14	redhat
redhat	webkit2gtk3-0:2.46.3-1.el8_8	2024-11-14	redhat
redhat	webkit2gtk3-0:2.46.3-1.el9_5	2024-11-13	redhat
redhat	webkit2gtk3-0:2.46.1-1.el9_2	2024-10-28	redhat
redhat	webkit2gtk3-0:2.46.1-1.el9_0	2024-10-28	redhat
redhat	webkit2gtk3-0:2.46.1-2.el9_4	2024-10-16	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-942Permissive Cross-domain Policy with Untrusted Domains

All Vendor Advisories

(10)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 07:09 UTCOSV refresh
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2025-43480?

CVE-2025-43480 is a high vulnerability published on November 4, 2025. The 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. A malicious website may exfiltrate data cross-origin.

When was CVE-2025-43480 disclosed?

CVE-2025-43480 was first published in the National Vulnerability Database on November 4, 2025, with the most recent update on April 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-43480 actively exploited?

CVE-2025-43480 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-43480?

CVE-2025-43480 has a CVSS v3 base score of 8.1 (NVD).

How do I remediate CVE-2025-43480?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-43480, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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