CVE-2025-43480: Apple Safari · A malicious website may exfiltrate data cross-origin
Affects Apple SafariSource CVE Database V5
Not known to be exploited · CVSS 8.1 High : upgrade to 26.1 soon.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 41% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 26.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 4 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Upgrade Apple Safari to 26.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apple Safari | Affected
| Fixed in
|
AI-suggested
Apple has released an official fix for this vulnerability in Safari 26.1 and corresponding OS updates (iOS 26.1, iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1). Users and administrators should update to these versions to remediate the issue. Patch status is confirmed by the vendor advisory.
Description
CVE-2025-43480 is a high-severity vulnerability in Apple Safari that allows a malicious website to exfiltrate data across origins. The issue involves insufficient cross-origin data access checks, which could lead to unauthorized data leakage. Apple addressed this vulnerability with improved checks and fixed it in Safari 26.1 and corresponding OS versions including iOS 26.1, iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, and watchOS 26.1.
References
- support.apple.com/en-us/125632 (opens in a new tab)
- support.apple.com/en-us/125634 (opens in a new tab)
- support.apple.com/en-us/125637 (opens in a new tab)
- support.apple.com/en-us/125638 (opens in a new tab)
- support.apple.com/en-us/125639 (opens in a new tab)
- support.apple.com/en-us/125640 (opens in a new tab)