Is CVE-2017-7109 in the CISA KEV catalog?

No. CVE-2017-7109 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-7109?

CVE-2017-7109 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2017-7109?

CVE-2017-7109 has an EPSS score of 0.97% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-7109?

Upgrade webkit2gtk on debian 11 to 2.18.1-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2017-7109

MEDIUM

6.1

CVSS v3

NVD

Description

An issue was discovered in certain Apple products. iOS before 11 is affected. Safari before 11 is affected. iCloud before 7.0 on Windows is affected. iTunes before 12.7 on Windows is affected. tvOS before 11 is affected. The issue involves the "WebKit" component. A cross-site scripting (XSS) vulnerability allows remote attackers to inject arbitrary web script or HTML via crafted web content that incorrectly interacts with the Application Cache policy.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

webkit2gtkDebian

Fixed in:2.18.1-1CVE-2017-7109

libjavascriptcoregtk-4.0-18Ubuntu

Fixed in:2.18.0-0ubuntu0.16.04.2USN-3460-1

libwebkit2gtk-4.0-37Ubuntu

Fixed in:2.18.0-0ubuntu0.16.04.2USN-3460-1

webkit2gtkUbuntu

Fixed in:2.18.0-0ubuntu0.16.04.2USN-3460-1

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

0.97%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Vendor Advisory5

Third-Party Advisory3

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 2026-05-13.