Roundcube Webmail before 1.5.10 and 1.6.x before 1.6.11 allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.php, leading to PHP Object Deserialization.
{
"versions": [
{
"introduced": "0"
},
{
"fixed": "1.5.10"
},
{
"introduced": "1.6.0"
},
{
"fixed": "1.6.11"
}
]
}