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.
https://support.apple.com/HT211100
Source: Mitre, NVD
Published: 2020-04-01
Updated: 2021-07-21
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N