Faveo Helpdesk through 2.0.3 contains an authorization bypass vulnerability in TicketController that allows authenticated agents to modify tickets outside their department by referencing raw ticket IDs. Attackers can call merge-tickets, change-owner, ticket/assign and ticket/surrender endpoints to close, merge or reassign other departments' tickets and enumerate customers' ticket subjects.

Faveo Helpdesk through 2.0.3 contains a broken access control vulnerability in TicketController::ticketprint and the pdfThread endpoint that fails to verify ticket department or assignment. Authenticated agents can request arbitrary ticket ids via GET /ticket/print/{id} to render PDFs of other departments' tickets, including full conversation threads.

Faveo Helpdesk through 2.0.3 contains a broken access control vulnerability that allows authenticated agents to read tickets in other departments via the getTooltip handler. Attackers can enumerate sequential ticketid values on GET /ticket/tooltip to read ticket conversations, including customer personal data and internal agent notes.

An arbitrary file upload vulnerability in the Ticket Generation function of Ladybird Web Solution Faveo-Helpdesk v2.0.3 allows attackers to execute arbitrary code via uploading a crafted .html or .svg file.