CVE-2019-8503

HIGH

iCloud < 7.11 - Cross-Site Scripting

Title source: llm
STIX 2.1

Description

A logic issue was addressed with improved validation. This issue is fixed in iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. A malicious website may be able to execute scripts in the context of another website.

References (5)

Core 5
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/HT209599
Vendor Advisory x_refsource_misc
https://support.apple.com/HT209601
Vendor Advisory x_refsource_misc
https://support.apple.com/HT209603
Vendor Advisory x_refsource_misc
https://support.apple.com/HT209604
Vendor Advisory x_refsource_misc
https://support.apple.com/HT209605

Scores

CVSS v3 8.8
EPSS 0.0178
EPSS Percentile 75.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (5)
apple/icloud < 7.11
apple/iphone_os < 12.2
apple/itunes < 12.9.4
apple/safari < 12.1
apple/tvos < 12.2
Published Dec 18, 2019
Tracked Since Feb 18, 2026