CVE-2019-8503

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.86% Top 30%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS
Affected: Apple tvOS
Affected: Apple Safari
Affected: Apple iTunes for Windows
Affected: Apple iCloud for Windows
Published at:
Updated at:

References

Link Tags
https://support.apple.com/HT209599 vendor advisory
https://support.apple.com/HT209601 vendor advisory
https://support.apple.com/HT209603 vendor advisory
https://support.apple.com/HT209604 vendor advisory
https://support.apple.com/HT209605 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-8503?
CVE-2019-8503 has been scored as a high severity vulnerability.
How to fix CVE-2019-8503?
To fix CVE-2019-8503, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-8503 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-8503 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-8503?
CVE-2019-8503 affects Apple iOS, Apple tvOS, Apple Safari, Apple iTunes for Windows, Apple iCloud for Windows.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.