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 ShiftType_name_render(ShiftType $shifttype)
{
    if (auth()->can('shifttypes')) {
        return '<a href="' . shifttype_link($shifttype) . '">' . $shifttype->name . '</a>';
    }
    return $shifttype->name;
}