CVE-2020-9843: Apple iCloud

High severity, CVSS 7.1. EPSS: 1.1% chance of exploitation in the next 30 days.

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.

Affected products

• Apple iCloud: before 7.19 (fixed in 7.19); from 11.0, before 11.2 (fixed in 11.2)
• Apple iPadOS: before 13.5 (fixed in 13.5)
• Apple iPhone OS: before 13.5 (fixed in 13.5)
• Apple iTunes: before 12.10.7 (fixed in 12.10.7)
• Apple Safari: before 13.1.1 (fixed in 13.1.1)
• Apple tvOS: before 13.4.5 (fixed in 13.4.5)
• Apple watchOS: before 6.2.5 (fixed in 6.2.5)

Published 2020-06-09. Last modified 2026-06-17.