CVE-2019-8503

high

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

https://support.apple.com/HT209599

https://support.apple.com/HT209601

https://support.apple.com/HT209603

https://support.apple.com/HT209604

https://support.apple.com/HT209605

Details

Source: MITRE

Published: 2019-12-18

Updated: 2019-12-31

Type: CWE-20

Risk Information

CVSS v2

Base Score: 9.3

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 8.6

Severity: HIGH

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH