Allowing the chrome.debugger API to run on file:// URLs in DevTools in Google Chrome prior to 69.0.3497.81 allowed an attacker who convinced a user to install a malicious extension to access files on the local file system without file access permission via a crafted Chrome Extension.
[
{
"product": "Chrome",
"vendor": "Google",
"versions": [
{
"lessThan": "69.0.3497.81",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]