Language: PHP
Label: vulnerable
CWE: CWE-79 \u2014 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Code:
function Room_name_render(Room $room)
{
    if (auth()->can('view_rooms')) {
        return '<a href="' . room_link($room) . '">' . icon('pin-map-fill') . $room->name . '</a>';
    }

    return icon('pin-map-fill') . $room->name;
}