CVE-2019-17000: XSS
An object tag with a data URI did not correctly inherit the document's Content Security Policy. This allowed a CSP bypass in a cross-origin frame if the document's policy explicitly allowed data: URIs.
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is CVE-2019-17000?
CVE-2019-17000 is a vulnerability in Mozilla Firefox that allows a Content Security Policy (CSP) bypass in a cross-origin frame if the document's policy explicitly allows data: URIs.
How does CVE-2019-17000 affect Mozilla Firefox?
CVE-2019-17000 affects Mozilla Firefox versions up to and excluding version 70. It allows a CSP bypass in a cross-origin frame if the document's policy explicitly allows data: URIs.
What is the severity rating of CVE-2019-17000?
CVE-2019-17000 has a severity rating of medium.
How can I fix CVE-2019-17000 in Mozilla Firefox?
To fix CVE-2019-17000, update your Mozilla Firefox browser to a version that is equal to or greater than 70.
Where can I find more information about CVE-2019-17000?
You can find more information about CVE-2019-17000 on the Mozilla Bugzilla website and Mozilla's security advisories.