CVE-2009-3011 Cross-site scripting in n/a

What is CVE-2009-3011?

CVE-2009-3011 is a medium-severity cross-site scripting vulnerability in Google Chrome, published on 31 Aug 2009. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-79

Which versions are affected by CVE-2009-3011?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2009-3011?

No fix has been published for CVE-2009-3011 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2009-3011 being exploited?

There is no known exploitation of CVE-2009-3011 in the wild and no public exploit code.

Other vulnerabilities in Google Chrome

• CVE-2022-4135 Google Chromium GPU Heap Buffer Overflow Exploited Critical 9.6
• CVE-2020-16017 Google Chrome Use-After-Free Exploited Critical 9.6
• CVE-2020-16010 Google Chrome for Android UI Heap Buffer Overflow Exploited Critical 9.6
• CVE-2026-87491 Google Chromium V8 Out of Bounds Write Exploited High 8.8
• CVE-2026-85046 Google Chromium V8 Type Confusion Exploited High 8.8

All Google Chrome vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-frx8-mqfc-pcm6.