TYPO3 Core

If I am not totally wrong, this issue could be still present on 9.5.x and should be solved on version 10.4.0-dev (latest master)

(See function processRedirect in EXT:felogin/Classes/Controller/FrontendLoginController.php - lines 840+

                        case 'refererDomains':
                            // Auto redirect.
                            // Feature to redirect to the page where the user came from (HTTP_REFERER).
                            // Allowed domains to redirect to, can be configured with plugin.tx_felogin_pi1.domains
                            // Thanks to plan2.net / Martin Kutschker for implementing this feature.
                            // also avoid redirect when logging in after changing password
                            if (isset($this->conf['domains']) && $this->conf['domains']
                                && (!isset($this->piVars['redirectReferrer']) || $this->piVars['redirectReferrer'] !== 'off')
                            ) {
                                $url = $this->referer;
                                // Is referring url allowed to redirect?
                                $match = [];
                                if (preg_match('#^http://([[:alnum:]._-]+)/#', $url, $match)) {
                                    $redirect_domain = $match[1];
                                    $found = false;
                                    foreach (GeneralUtility::trimExplode(',', $this->conf['domains'], true) as $d) {
                                        if (preg_match('/(?:^|\\.)' . $d . '$/', $redirect_domain)) {
                                            $found = true;
                                            break;
                                        }
                                    }
                                    if (!$found) {
                                        $url = '';
                                    }
                                }
                                // Avoid forced logout, when trying to login immediately after a logout
                                if ($url) {
                                    $redirect_url[] = preg_replace('/[&?]logintype=[a-z]+/', '', $url);
                                }
                            }
                            break;

There is no feedback to give. Which info do you need?