description: Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox < 76.
problem types: Content-Security-Policy bypass using object elements
affected:
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 76, status: affected, version: unspecified, versionType: custom
}