In JFinal cos before 2019-08-13, as used in JFinal 4.4, there is a vulnerability that can bypass the isSafeFile() function: one can upload any type of file. For example, a .jsp file may be stored and almost immediately deleted, but this deletion step does not occur for certain exceptions.
{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "4.4"
}
],
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:jfinal:jfinal:*:*:*:*:*:*:*:*"
}