AI Score
Confidence
High
EPSS
Percentile
44.1%
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.
github.com/shi-yang/jnoj/issues/51