XSS in Apple Icloud

CVE-2020-9843

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5, Safari 13.1.1, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. Processing maliciously crafted web content may lead to a cross site scripting attack.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.011 (61.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-9843?
CVE-2020-9843 is a high-severity vulnerability in Apple Icloud, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2020-06-09.
How severe is CVE-2020-9843?
High severity. CVSS v3 base score is 7.1 out of 10.