CVE-2020-3884: Apple Mac OS X

Medium severity, CVSS 6.1. EPSS: 1.1% chance of exploitation in the next 30 days.

An injection issue was addressed with improved validation. This issue is fixed in macOS Catalina 10.15.4. A remote attacker may be able to cause arbitrary javascript code execution.

Affected products

• Apple Mac OS X: before 10.15.4 (fixed in 10.15.4)

Published 2020-04-01. Last modified 2026-06-17.