Google Chrome prior to 54.0 for iOS had insufficient validation of URLs for windows open by DOM, which allowed a remote attacker to bypass restrictions on navigation to certain URL schemes via crafted HTML pages.
Severity
CVSS 3.0
4.3 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS
1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)