"Clear History and Website Data" did not clear the history. The issue was addressed with improved data deletion. This issue affected versions prior to iOS 12.1.1, Safari 12.0.2.
Source: MITRE
Published: 2019-04-03
Updated: 2019-04-05
Type: CWE-200
Base Score: 4
Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N
Impact Score: 2.9
Exploitability Score: 8
Severity: MEDIUM
Base Score: 4.3
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Impact Score: 1.4
Exploitability Score: 2.8
Severity: MEDIUM