XSS Auditor in Google Chrome prior to 64.0.3282.119, did not ensure the reporting URL was in the same origin as the page it was on, which allowed a remote attacker to obtain referrer details via a crafted HTML page.
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
1.3% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)