The directory page parameter of the Orca HCM digital learning platform does not filter special characters. Remote attackers can access the system directory thru Path Traversal without logging in.
https://www.twcert.org.tw/tw/cp-132-4927-bbf01-1.html
https://www.chtsecurity.com/news/ba7b3ae7-14f3-4970-b3f6-4d97d8c7ea25