The Support Genix WordPress plugin before 1.4.48 does not prevent directory traversal in its ticket-attachment download route, allowing unauthenticated attackers to read arbitrary files with an allowlisted extension — including other users' private ticket attachments — from the server.
https://wpscan.com/vulnerability/d03887a5-1a0e-4097-8dfa-7899aae8a6d5/