CVE-2016-5132: Google Chrome

High severity, CVSS 8.8. EPSS: 1.5% chance of exploitation in the next 30 days.

The Service Workers subsystem in Google Chrome before 52.0.2743.82 does not properly implement the Secure Contexts specification during decisions about whether to control a subframe, which allows remote attackers to bypass the Same Origin Policy via an https IFRAME element inside an http IFRAME element.

Affected products

• Google Chrome: up to and including 51.0.2704.106

Published 2016-07-23. Last modified 2026-06-17.