CVE-2019-8754

MEDIUM

6.5

CVSS Score

Published: October 27, 2020 at 07:47 PM UTC

Updated: June 17, 2026 at 02:42 AM UTC

1 product affected across 1 vendormacOS

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Severity

MEDIUM6.5

Exploit prediction

EPSS 0.4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

macOS · Apple

95%

v < 10.15v < 10.15.1

Affected range stops below 10.15, so it looks safe — our inference, not a vendor statement

Affected range stops below 10.15.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://support.apple.com/en-us/HT210722

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT210722

CVSS

6.5MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-346

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