What is CVE-2025-13639?

CVE-2025-13639 is a high-severity vulnerability in Apple macOS, classified under Cross-site Scripting. CVSS score: 8.1/10. Published 2025-12-02.

How severe is CVE-2025-13639?

High severity. CVSS v3 base score is 8.1 out of 10.

XSS in Apple macOS

CVE-2025-13639

Inappropriate implementation in WebRTC in Google Chrome prior to 143.0.7499.41 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: Low)

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (13.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Apple Macos
Google Chrome — versions 143.0.7499.41
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

chrome-cve-admin@google.com (Release Notes, Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required, Issue Tracking)

Frequently asked questions

What is CVE-2025-13639?: CVE-2025-13639 is a high-severity vulnerability in Apple macOS, classified under Cross-site Scripting. CVSS score: 8.1/10. Published 2025-12-02.
How severe is CVE-2025-13639?: High severity. CVSS v3 base score is 8.1 out of 10.