CVE-2009-3011: Google Chrome

Medium severity, CVSS 4.3. EPSS: 0.9% chance of exploitation in the next 30 days.

Google Chrome 1.0.154.48 and earlier, 2.0.172.28, 2.0.172.37, and 3.0.193.2 Beta does not properly block data: URIs in Refresh headers in HTTP responses, which allows remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (1) injecting a Refresh header that contains JavaScript sequences in a data:text/html URI or (2) entering a data:text/html URI with JavaScript sequences when specifying the content of a Refresh header. NOTE: the JavaScript executes outside of the context of the HTTP site.

Affected products

• Google Chrome: up to and including 1.0.154.48; version 0.2.149.27 only; version 0.2.149.29 only; version 0.2.149.30 only; version 0.2.152.1 only; version 0.2.153.1 only; …

Published 2009-08-31. Last modified 2026-06-16.