CVE-2018-4377
UnknownEPSS 1.37%
Last modified
CVE-2018-4377 is a vulnerability of currently unknown severity. A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation. EPSS estimates a 1.37% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 12.0.1 |
| Apple | Iphone Os | < 12.1 |
| Apple | Watchos | < 5.1 |
| Apple | Icloud | < 7.8 |
| Apple | Itunes | < 12.9.1 |
References
- https://support.apple.com/kb/HT209192Vendor Advisory
- https://support.apple.com/kb/HT209195Vendor Advisory
- https://support.apple.com/kb/HT209196Vendor Advisory
- https://support.apple.com/kb/HT209197Vendor Advisory
- https://support.apple.com/kb/HT209198Vendor Advisory
- https://support.apple.com/kb/HT209192Vendor Advisory
- https://support.apple.com/kb/HT209195Vendor Advisory
- https://support.apple.com/kb/HT209196Vendor Advisory
- https://support.apple.com/kb/HT209197Vendor Advisory
- https://support.apple.com/kb/HT209198Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2018-4377?
Severity scoring for CVE-2018-4377 is pending analysis. The EPSS model estimates a 1.37% probability of exploitation in the next 30 days.
How do I fix CVE-2018-4377?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2018-4377?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST