CVE-2019-17490 2019-10-10T17:15:11.077-04:00 2019-10-11T08:02:33.893-04:00 MISC https://github.com/shi-yang/jnoj/issues/51 app\modules\polygon\controllers\ProblemController in Jiangnan Online Judge (aka jnoj) 0.8.0 allows arbitrary file upload, as demonstrated by PHP code (with a .php filename but the image/png content type) to the web/polygon/problem/tests URI.