description: The Find API for WebExtensions can search some privileged pages, such as "about:debugging", if these pages are open in a tab. This could allow a malicious WebExtension to search for otherwise protected data if a user has it open. This vulnerability affects Firefox < 59.
problem types: WebExtension Find API can search privileged pages
affected:
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 59, status: affected, version: unspecified, versionType: custom
}