CVE-2024-44309

KEVApple Multiple Products Cross-Site Scripting (XSS) Vulnerability

Description

Apple iOS, macOS, and other Apple products contain an unspecified vulnerability when processing maliciously crafted web content that may lead to a cross-site scripting (XSS) attack.

A cookie management issue was addressed with improved state management. This issue is fixed in Safari 18.1.1, iOS 17.7.2 and iPadOS 17.7.2, iOS 18.1.1 and iPadOS 18.1.1, macOS Sequoia 15.1.1, visionOS 2.1.1. Processing maliciously crafted web content may lead to a cross site scripting attack. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.

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

PublishedNov 20, 2024

Last modifiedJun 17, 2026

Added to KEVNov 21, 2024

Remediation dueDec 12, 2024

References

support.apple.com/en-us/121752Vendor Advisory
support.apple.com/en-us/121753Vendor Advisory
support.apple.com/en-us/121754Vendor Advisory
support.apple.com/en-us/121755Vendor Advisory
support.apple.com/en-us/121756Vendor Advisory
seclists.org/fulldisclosure/2024/Nov/16Mailing ListThird Party Advisory
lists.debian.org/debian-lts-announce/2024/12/msg00003.htmlMailing List
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-44309US Government Resource

0 recent articles mention this CVE

Risk assessment · High

Actively exploited. Patch immediately.

Exploitation: Confirmed in the wild (CISA KEV)
Federal remediation deadline: Overdue by 683 days
CVSS: 6.3 MEDIUM
EPSS (30-day exploit probability): 22.6% · top 2% of all CVEs
Weakness: CWE-79
Attack vector: Network, remotely reachable

Recommended actions

1.Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
2.Treat as emergency change: patch or isolate internet-facing instances first.
3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.

Assessment is derived automatically from the live signals above; verify against your own asset inventory.