description: WebExtension content scripts can be loaded into about: pages in some circumstances, in violation of the permissions granted to extensions. This could allow an extension to interfere with the loading and usage of these pages and use capabilities that were intended to be restricted from extensions. This vulnerability affects Firefox < 64.
problem types: WebExtension content scripts can be loaded in about: pages
affected:
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 64, status: affected, version: unspecified, versionType: custom
}