1 files changed, 5 insertions, 0 deletions
diff --git a/createaccount.cgi b/createaccount.cgi
index d0437a021..90530b3c5 100755
--- a/createaccount.cgi
+++ b/createaccount.cgi
@@ -62,6 +62,11 @@ unless ($createexp) {
 my $login = $cgi->param('login');
 
 if (defined($login)) {
+    # Check the hash token to make sure this user actually submitted
+    # the create account form.
+    my $token = $cgi->param('token');
+    check_hash_token($token, ['create_account']);
+
     $login = Bugzilla::User->check_login_name_for_creation($login);
     $vars->{'login'} = $login;