What is CVE-2019-8754?

CVE-2019-8754 is a medium-severity vulnerability in Apple macOS, classified under Origin Validation Error. CVSS score: 6.5/10. Published 2020-10-27.

How severe is CVE-2019-8754?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Apple macOS

CVE-2019-8754

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.

EPSS: 0.004 (36.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Apple Macos — versions unspecified
Apple Mac_os_x

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2019-8754?: CVE-2019-8754 is a medium-severity vulnerability in Apple macOS, classified under Origin Validation Error. CVSS score: 6.5/10. Published 2020-10-27.
How severe is CVE-2019-8754?: Medium severity. CVSS v3 base score is 6.5 out of 10.