CVE-2021-21136: Google Chrome

Medium severity, CVSS 6.5. EPSS: 4.2% chance of exploitation in the next 30 days.

Insufficient policy enforcement in WebView in Google Chrome on Android prior to 88.0.4324.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Affected products

• Google Chrome: before 88.0.4324.96 (fixed in 88.0.4324.96)
• Microsoft Edge Chromium: before 88.0.705.50 (fixed in 88.0.705.50)

Published 2021-02-09. Last modified 2026-06-17.