Is CVE-2018-4133 in the CISA KEV catalog?

No. CVE-2018-4133 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-4133?

CVE-2018-4133 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2018-4133?

CVE-2018-4133 has an EPSS score of 1.16% (63th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-4133?

Upgrade webkit2gtk on debian 11 to 2.20.0-2 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2018-4133

MEDIUM

6.1

CVSS v3

NVD

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.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

webkit2gtkDebian

Fixed in:2.20.0-2CVE-2018-4133

libjavascriptcoregtk-4.0-18Ubuntu

Fixed in:2.20.1-0ubuntu0.16.04.1USN-3635-1

libwebkit2gtk-4.0-37Ubuntu

Fixed in:2.20.1-0ubuntu0.16.04.1USN-3635-1

webkit2gtkUbuntu

Fixed in:2.20.1-0ubuntu0.16.04.1USN-3635-1

SafariWindows application

Affected:11.1Fixed in:11.1Apple Inc.

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

1.16%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Vendor Advisory1

support.apple.com

Third-Party Advisory4

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.