CVE-2017-5018 Cross-site scripting in Google Chrome prior to 56.0.2924.76 for Linux, Windows and Mac, and 56.0.2924.87 for Android

What is CVE-2017-5018?

CVE-2017-5018 is a medium-severity cross-site scripting vulnerability in Google Chrome, published on 17 Feb 2017. 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 prior to 56.0.2924.76 for Linux, Windows and Mac, and 56.0.2924.87 for Android, had an insufficiently strict content security policy on the Chrome app launcher page, which allowed a remote attacker to inject scripts or HTML into a privileged page via a crafted HTML page.

Weakness: CWE-79

Which versions are affected by CVE-2017-5018?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2017-5018?

Upgrade to a fixed version.

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-2017-5018 being exploited?

There is no known exploitation of CVE-2017-5018 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-6xg6-mxpp-jx88, UBUNTU-CVE-2017-5018.