What’s Vulnerable › Vulnerabilities
CVE-2019-8754
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-10-27 · updated 2026-06-17
- Weakness: CWE-346
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 products
- macOS: before 10.15.1 — fixed in 10.15.1
How to fix
Upgrade to a fixed version: macOS 10.15.1. Check the vendor advisory for mitigations.
References
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