description: WebExtensions can bypass normal restrictions in some circumstances and use "browser.tabs.executeScript" to inject scripts into contexts where this should not be allowed, such as pages from other WebExtensions or unprivileged "about:" pages. This vulnerability affects Firefox < 59.
problem types: WebExtension browserAction can inject scripts into unintended contexts
affected:
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 59, status: affected, version: unspecified, versionType: custom
}