The content renderer client in Google Chrome prior to 54.0.2840.85 for Android insufficiently enforced the Same Origin Policy amongst downloaded files, which allowed a remote attacker to access any downloaded file and interact with sites, including those the user was logged into, via a crafted HTML page.
Severity
CVSS 3.0
8.8 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)