XSS in Apple Icloud

CVE-2019-8649

A logic issue existed in the handling of synchronous page loads. This issue was addressed with improved state management. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to universal cross site scripting.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.045 (90.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-8649?
CVE-2019-8649 is a medium-severity vulnerability in Apple Icloud, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-12-18.
How severe is CVE-2019-8649?
Medium severity. CVSS v3 base score is 6.1 out of 10.