Unrestricted file upload vulnerability in file_to_index.php in Maarch LetterBox 2.8 and earlier and GEC/GED 1.4 and earlier allows remote attackers to execute arbitrary PHP code by uploading a file with a PHP extension, then accessing it via a request to a predictable filename in tmp/.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.798
EPSS Ranking 99.0%