MataChat Cross Site Scripting

`a bug in MataChat that allows to us to occur a Cross-Site Scripting on a Remote machin.  
this bug tested with the Vulnerable Software All Ver.  
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# Islamic Republic Of Iran Security Team #  
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# Www.IrIsT.Ir #  
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# MataChat <== All Version Cross-Site Scripting Vulnerabilities #  
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# Download......: http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=1536&lngWId=8 #  
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# Bug Found.....: IrIsT™ #  
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# discovery.....: Am!r (IrIsT™) #  
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# contact.......: Admin[at]IrIsT.ir #  
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# Exploit.......: http://[site]/[path]/input.php?nickname=[XSS]&color=[XSS] #  
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# Google Search.: "Powered By MataChat" #  
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# SP TNX........: Dr.FlagHk & satanicstar & bl4ck-h4t-b0ys & all IrIsT members #  
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`