CVE-2024-40857

Description

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

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.09%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple macOS
Affected: Apple tvOS
Affected: Apple visionOS
Affected: Apple iOS and iPadOS
Affected: Apple watchOS
Affected: Apple Safari
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/121238 release notes vendor advisory
https://support.apple.com/en-us/121248 release notes vendor advisory
https://support.apple.com/en-us/121249 release notes vendor advisory
https://support.apple.com/en-us/121250 release notes vendor advisory
https://support.apple.com/en-us/121240 release notes vendor advisory
https://support.apple.com/en-us/121241 release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-40857?
CVE-2024-40857 has been scored as a medium severity vulnerability.
How to fix CVE-2024-40857?
To fix CVE-2024-40857, 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-2024-40857 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-40857 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-40857?
CVE-2024-40857 affects Apple macOS, Apple tvOS, Apple visionOS, Apple iOS and iPadOS, Apple watchOS, Apple Safari.
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.