Thinkphp 5.1.41 and 5.0.24 has a code logic error which causes file upload getshell.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "5.0.24"
},
{
"introduced": "0"
},
{
"last_affected": "5.1.41"
}
]
}