What is the CVSS score of CVE-2025-43338?

CVE-2025-43338 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Apple are affected by CVE-2025-43338?

Organizations using An out-of-bounds access face moderate risk from CVE-2025-43338, a cross-site scripting vulnerability rated CVSS 7.1.

How to fix or mitigate CVE-2025-43338?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Verify anti-CSRF tokens and content security policies are enforced.

Apple CVE-2025-43338

HIGH

Cross-site Scripting (XSS) (CWE-79)

2025-11-04 product-security@apple.com

Apple XSS

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:20 vuln.today

CVE Published

Nov 04, 2025 - 02:15 nvd

HIGH 7.1

DescriptionCVE.org

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in macOS Tahoe 26, macOS Sonoma 14.8.2. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

AnalysisAI

An out-of-bounds access issue was addressed with improved bounds checking. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in macOS Tahoe 26, macOS Sonoma 14.8.2. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.