"Clear History and Website Data" did not clear the history. The issue was addressed with improved data deletion. This issue is fixed in macOS Catalina 10.15. A user may be unable to delete browsing history items.
https://support.apple.com/HT210634
https://security.gentoo.org/glsa/202003-22
Source: Mitre, NVD
Published: 2019-12-18
Updated: 2021-12-01
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N