outdoorbits little-backup-box (aka Little Backup Box) before f39f91c allows remote attackers to execute arbitrary code because the PHP extract function is used for untrusted input.
https://www.php.net/manual/en/function.extract
https://github.com/outdoorbits/little-backup-box/commit/f39f91cd05544b3eb18b59897c765d6ba9313faa