CVE-2018-4374: XSS

Published Oct 30, 2018
·
Updated

Safari Reader. A logic issue was addressed with improved validation.

Other sources

A logic issue was addressed with improved validation. This issue affected versions prior to iOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

Credit

Ryan Pickren (ryanpickren.com), Ryan Pickren (ryanpickren.com), Ryan Pickren (ryanpickren.com), Ryan Pickren (ryanpickren.com), Ryan Pickren (ryanpickren.com)

Affected Software

11 affected componentsFixes available
Apple WatchOS<5.1
5.1
Apple iCloud for Windows<7.8
7.8
Apple iTunes for Windows<12.9.1
12.9.1
Apple Safari<12.0.1
12.0.1
Apple iOS<12.1
12.1
Apple Safari<12.0.1
Apple iPhone OS<12.1
Apple WatchOS<5.1
Apple iCloud<7.8
Apple iTunes<12.9.1
Microsoft Windows

Event History

Apr 3, 2019
CVE Published
via MITRE·05:43 PM
Data Sourced
via MITRE·05:43 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2018-4374?

CVE-2018-4374 is a logic issue in Safari Reader that was addressed with improved validation.

2

Which software versions are affected by CVE-2018-4374?

Versions prior to iOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, and iCloud for Windows 7.8 are affected by CVE-2018-4374.

3

What is the severity of CVE-2018-4374?

CVE-2018-4374 has a severity rating of 6.1 out of 10, classified as medium.

4

How can I fix CVE-2018-4374?

To fix CVE-2018-4374, update to iOS 12.1 or later, watchOS 5.1 or later, Safari 12.0.1 or later, iTunes 12.9.1 or later, and iCloud for Windows 7.8 or later.

5

Where can I find more information about CVE-2018-4374?

You can find more information about CVE-2018-4374 in the official Apple support articles: [Article 1](https://support.apple.com/kb/HT209192), [Article 2](https://support.apple.com/kb/HT209195), [Article 3](https://support.apple.com/kb/HT209196).

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