Mailvelope prior to 3.3.0 does not require user interaction to import public keys shown on web page. This functionality can be tricked to either hide a key import from the user or obscure which key was imported.
{
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:mailvelope:mailvelope:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "3.3.0"
}
]
}