The implementation of the Page.downloadBehavior backend unconditionally marked downloaded files as safe, regardless of file type in Google Chrome prior to 66.0.3359.117 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted HTML page and user interaction.
[
{
"product": "Chrome",
"vendor": "Google",
"versions": [
{
"lessThan": "66.0.3359.117",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]