XSS in Apple Icloud
CVE-2018-4377
A cross-site scripting issue existed in Safari. This issue was addressed with improved URL 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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.012 (66.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Apple Icloud
- Apple Iphone OS
- Apple Itunes
- Apple Safari
- Apple watchOS
- Microsoft Windows
- iOS, watchOS, Safari, Itunes For Windows, Icloud Windows — versions Versions prior to: iOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8
Weakness classification (CWE)
References
- support.apple.com/kb/HT209192 (Vendor Advisory)
- support.apple.com/kb/HT209195 (Vendor Advisory)
- support.apple.com/kb/HT209197 (Vendor Advisory)
- support.apple.com/kb/HT209198 (Vendor Advisory)
- support.apple.com/kb/HT209196 (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-4377?
- CVE-2018-4377 is a medium-severity vulnerability in Apple Icloud, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-04-03.
- How severe is CVE-2018-4377?
- Medium severity. CVSS v3 base score is 6.1 out of 10.