An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves the "Web App" component. It allows remote attackers to bypass intended restrictions on cookie persistence.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.8% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)