In Open Ticket Request System (OTRS) 4.0.x before 4.0.32, 5.0.x before 5.0.30, and 6.0.x before 6.0.11, an attacker could send a malicious email to an OTRS system. If a logged in user opens it, the email could cause the browser to load external image or CSS resources.
| Software | From | Fixed in |
|---|---|---|
| otrs / open_ticket_request_system | 6.0.0 | 6.0.11 |
| otrs / open_ticket_request_system | 5.0.0 | 5.0.30 |
| otrs / open_ticket_request_system | 4.0.0 | 4.0.32 |
| debian / debian_linux | 8.0 | 8.0.x |
| debian / debian_linux | 9.0 | 9.0.x |