"value":"On pages containing an iframe, the \"data:\" protocol can be used to create a modal dialog through Javascript that will have an arbitrary domains as the dialog's location, spoofing of the origin of the modal dialog from the user view. Note: This attack only affects installations with e10 multiprocess turned off. Installations with e10s turned on do not support the modal dialog functionality. This vulnerability affects Firefox < 56."
}
]
},
"problemtype":{
"problemtype_data":[
{
"description":[
{
"lang":"eng",
"value":"Spoofing attack with modal dialogs on non-e10s installations"