CVE-2025-43480

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.

Published: 2025-11-04 Last update: 2026-04-02 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-43480 is rated Low Risk (35.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.03%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-43480

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-01 0.07% 0.03% -0.04%
2 2026-03-06 0.02% 0.07% +0.05%
3 2025-11-04 0.02%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-43480

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.1 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 5.2 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-43480

OS Trackers for CVE-2025-43480

vendor priority summary link
debian not yet assigned CVE-2025-43480 not yet assigned priority: Debian including 2 source packages (webkit2gtk, wpewebkit), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 8, open 2. https://security-tracker.debian.org/tracker/CVE-2025-43480
redhat medium https://access.redhat.com/security/cve/CVE-2025-43480
suse medium CVE-2025-43480 severity moderate: SUSE including 125 source package names (2.2.0-4.55:gpg2-2.4.4-slfo.1.1_2.1, 2.2.1-7.2:gpg2-2.4.4-slfo.1.1_2.1, …), 556 product×package rows across 78 product lines (Container suse/sl-micro/6.0/baremetal-os-container, Container suse/sl-micro/6.0/base-os-container, … (78 product lines)): Fixed 481, Known Not Affected 57, First Fixed 18. https://www.suse.com/security/cve/CVE-2025-43480/
ubuntu medium CVE-2025-43480 medium priority: Ubuntu including 5 source packages (qtwebkit-opensource-src, qtwebkit-source, webkit2gtk, webkitgtk, wpewebkit), 36 status rows across 8 suites (bionic, focal, jammy, noble, plucky, questing, upstream, xenial): ignored 14, DNE 13, needs-triage 4, released 3, not-affected 2. https://ubuntu.com/security/CVE-2025-43480

Affected software / configurations for CVE-2025-43480

Vendor Product Version Raw CPE
apple safari < 26.1 cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
apple ipados < 26.1 cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone_os < 26.1 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple tvos < 26.1 cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
apple visionos < 26.1 cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
apple watchos < 26.1 cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

References for CVE-2025-43480

URL Tags
https://support.apple.com/en-us/125632 Release Notes Vendor Advisory
https://support.apple.com/en-us/125634
https://support.apple.com/en-us/125637 Release Notes Vendor Advisory
https://support.apple.com/en-us/125638 Release Notes Vendor Advisory
https://support.apple.com/en-us/125639 Release Notes Vendor Advisory
https://support.apple.com/en-us/125640 Release Notes Vendor Advisory
cvelogic Threat Intelligence