CVE-2018-4133

Name: CVE-2018-4133
Creator: NVD / NIST
Published: 2018-04-03T06:29:06.047+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.16%

Last modified Jun 17, 2026

CVE-2018-4133 is a vulnerability of currently unknown severity. An issue was discovered in certain Apple products. Safari before 11.1 is affected. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

Description

An issue was discovered in certain Apple products. Safari before 11.1 is affected. The issue involves the "WebKit" component. A Safari cross-site scripting (XSS) vulnerability allows remote attackers to inject arbitrary web script or HTML via a crafted URL.

Metrics

EPSS Probability

1.16%

63.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Apple	Safari	< 11.1
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	17.10
Webkitgtk	Webkitgtk\+	< 2.20.4

References

http://www.securityfocus.com/bid/103580Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040606Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201808-04Third Party Advisory
https://support.apple.com/HT208695Vendor Advisory
https://usn.ubuntu.com/3635-1/Third Party Advisory
http://www.securityfocus.com/bid/103580Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040606Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201808-04Third Party Advisory
https://support.apple.com/HT208695Vendor Advisory
https://usn.ubuntu.com/3635-1/Third Party Advisory

Timeline

Published: Apr 3, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-4133?

How severe is CVE-2018-4133?

Severity scoring for CVE-2018-4133 is pending analysis. The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2018-4133?

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.

Are you affected by CVE-2018-4133?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST