description: Development Tools panels of an extension are required to load URLs for the panels as relative URLs from the extension manifest file but this requirement was not enforced in all instances. This could allow the development tools panel for the extension to load a URL that it should not be able to access, including potentially privileged pages. This vulnerability affects Firefox < 58.
problem types: Extension development tools panel can open a non-relative URL in the panel
affected:
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 58, status: affected, version: unspecified, versionType: custom
}