CVE-2024-40857

MEDIUM 6.1CVE-2024-40857 · Published 17/09/2024 · updated 17/06/2026

In short

CVE-2024-40857 is a MEDIUM (CVSS 6.1) vulnerability affecting safari (apple).
Chance of exploitation in the next 30 days (EPSS): 0.55%, higher than 46.2% of all vulnerabilities.
Fix: update to 18.0 or later.

Package	Affected versions	Patched versions
safari apple	`< 18.0`	`18.0`

Description

This issue was addressed through improved state management. This issue is fixed in Safari 18, iOS 18 and iPadOS 18, macOS Sequoia 15, tvOS 18, visionOS 2, watchOS 11. Processing maliciously crafted web content may lead to universal cross site scripting.

References

support.apple.com/en-us/121238 · Release Notes
support.apple.com/en-us/121240 · Release Notes
support.apple.com/en-us/121241 · Release Notes
support.apple.com/en-us/121248 · Release Notes
support.apple.com/en-us/121249 · Release Notes
support.apple.com/en-us/121250 · Release Notes
seclists.org/fulldisclosure/2024/Sep/32
seclists.org/fulldisclosure/2024/Sep/33
seclists.org/fulldisclosure/2024/Sep/36
seclists.org/fulldisclosure/2024/Sep/37

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Package

Affected versions

Patched versions

safari

apple

< 18.0

18.0

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