Apple Multiple Products Cross-Site Scripting (XSS) Vulnerability
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.
What happened
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.
CISA lists it as exploited, added 21 Nov 2024.
Does it affect you
Names Apple macOS. Enter the product and version you run to place it against the affected range the vendor published.
What to do
- Follow the vendor advisory for the fixed release and any interim mitigation.
support.apple.com - Follow the vendor advisory for the fixed release and any interim mitigation.
support.apple.com - Follow the vendor advisory for the fixed release and any interim mitigation.
support.apple.com - Follow the vendor advisory for the fixed release and any interim mitigation.
support.apple.com - Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
cisa.gov
CISA’s notes for this entry:
Affected, as published to NVD
- macos
- Apple macOS: 15.0 up to the fix in 15.1.1
The record
- NVD status
- Analyzed
- Published
- 20 Nov 2024, last modified 17 Jun 2026 (NVD)
- Severity
- CVSS 3.1 base score 6.3, Medium — computed here from the vector; NVD states 6.3.
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- Weakness
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (NVD; names by MITRE)
- Exploitation
- Listed in CISA’s Known Exploited Vulnerabilities catalogue since 21 Nov 2024; federal remediation due 12 Dec 2024. CISA entry
- Exploit probability
- EPSS 22.6%, 98th percentile — FIRST, scored 23 Oct 2026. FIRST EPSS
- Vendor
- Apple · Multiple Products (CISA)
References on the NVD record
- 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
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-44309US Government Resource
- lists.debian.org/debian-lts-announce/2024/12/msg00003.htmlMailing List
Sources
The verdict above is computed from the products and versions you entered and the affected ranges the vendor published to NVD. It does not inspect your environment, and this site never reports a product as unaffected: why.