Is CVE-2019-8754 in the CISA KEV catalog?

No. CVE-2019-8754 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-8754?

CVE-2019-8754 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2019-8754?

CVE-2019-8754 has an EPSS score of 0.44% (35th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-8754?

Upgrade mac os x to 10.15.1 or later.

CVE & CISA-KEV Catalog

CVE-2019-8754

MEDIUM

6.5

CVSS v3

NVD

Description

A cross-origin issue existed with "iframe" elements. This was addressed with improved tracking of security origins. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006. A malicious HTML document may be able to render iframes with sensitive user information.

CWE-346

How to fix

Remediation Available

mac os xNVD

Affected:< 10.15.1Fixed in:10.15.1CVE-2019-8754derived from NVD

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

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploit Intelligence

0.44%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Vendor Advisory1

support.apple.com

Related Vulnerabilities

Other CWE-346 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2009-1185	High	7.2	82%	-	Fix
CVE-2025-34291	High	8.8	79%	KEV	-
CVE-2020-16952	High	8.6	71%	-	-
CVE-2023-29711	Critical	9.8	70%	-	-
CVE-2015-4495	High	8.8	70%	KEV	Fix
CVE-2024-23898	High	8.8	67%	-	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.