diff --git a/libraries/classes/Controllers/BrowseForeignersController.php b/libraries/classes/Controllers/BrowseForeignersController.php
index f694404753..275a71572d 100644
--- a/libraries/classes/Controllers/BrowseForeignersController.php
+++ b/libraries/classes/Controllers/BrowseForeignersController.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace PhpMyAdmin\Controllers;
 
 use PhpMyAdmin\BrowseForeigners;
+use PhpMyAdmin\Http\ServerRequest;
 use PhpMyAdmin\Relation;
 use PhpMyAdmin\ResponseRenderer;
 use PhpMyAdmin\Template;
@@ -32,19 +33,24 @@ class BrowseForeignersController extends AbstractController
         $this->relation = $relation;
     }
 
-    public function __invoke(): void
+    public function __invoke(ServerRequest $request): void
     {
-        $params = [
-            'db' => $_POST['db'] ?? null,
-            'table' => $_POST['table'] ?? null,
-            'field' => $_POST['field'] ?? null,
-            'fieldkey' => $_POST['fieldkey'] ?? null,
-            'data' => $_POST['data'] ?? null,
-            'foreign_showAll' => $_POST['foreign_showAll'] ?? null,
-            'foreign_filter' => $_POST['foreign_filter'] ?? null,
-        ];
+        /** @var string|null $database */
+        $database = $request->getParsedBodyParam('db');
+        /** @var string|null $table */
+        $table = $request->getParsedBodyParam('table');
+        /** @var string|null $field */
+        $field = $request->getParsedBodyParam('field');
+        /** @var string $fieldKey */
+        $fieldKey = $request->getParsedBodyParam('fieldkey', '');
+        /** @var string $data */
+        $data = $request->getParsedBodyParam('data', '');
+        /** @var string|null $foreignShowAll */
+        $foreignShowAll = $request->getParsedBodyParam('foreign_showAll');
+        /** @var string $foreignFilter */
+        $foreignFilter = $request->getParsedBodyParam('foreign_filter', '');
 
-        if (! isset($params['db'], $params['table'], $params['field'])) {
+        if (! isset($database, $table, $field)) {
             return;
         }
 
@@ -54,28 +60,28 @@ class BrowseForeignersController extends AbstractController
         $header->setBodyId('body_browse_foreigners');
 
         $foreigners = $this->relation->getForeigners(
-            $params['db'],
-            $params['table']
+            $database,
+            $table
         );
         $foreignLimit = $this->browseForeigners->getForeignLimit(
-            $params['foreign_showAll']
+            $foreignShowAll
         );
         $foreignData = $this->relation->getForeignData(
             $foreigners,
-            $params['field'],
+            $field,
             true,
-            $params['foreign_filter'] ?? '',
-            $foreignLimit ?? null,
+            $foreignFilter,
+            $foreignLimit ?? '',
             true
         );
 
         $this->response->addHTML($this->browseForeigners->getHtmlForRelationalFieldSelection(
-            $params['db'],
-            $params['table'],
-            $params['field'],
+            $database,
+            $table,
+            $field,
             $foreignData,
-            $params['fieldkey'] ?? '',
-            $params['data'] ?? ''
+            $fieldKey,
+            $data
         ));
     }
 }
diff --git a/libraries/classes/Controllers/CheckRelationsController.php b/libraries/classes/Controllers/CheckRelationsController.php
index 776973a310..9f93ec13ca 100644
--- a/libraries/classes/Controllers/CheckRelationsController.php
+++ b/libraries/classes/Controllers/CheckRelationsController.php
@@ -7,6 +7,7 @@ declare(strict_types=1);
 
 namespace PhpMyAdmin\Controllers;
 
+use PhpMyAdmin\Http\ServerRequest;
 use PhpMyAdmin\Relation;
 use PhpMyAdmin\ResponseRenderer;
 use PhpMyAdmin\Template;
@@ -25,31 +26,32 @@ class CheckRelationsController extends AbstractController
         $this->relation = $relation;
     }
 
-    public function __invoke(): void
+    public function __invoke(ServerRequest $request): void
     {
         global $db;
 
-        $params = [
-            'create_pmadb' => $_POST['create_pmadb'] ?? null,
-            'fixall_pmadb' => $_POST['fixall_pmadb'] ?? null,
-            'fix_pmadb' => $_POST['fix_pmadb'] ?? null,
-        ];
+        /** @var string|null $createPmaDb */
+        $createPmaDb = $request->getParsedBodyParam('create_pmadb');
+        /** @var string|null $fixAllPmaDb */
+        $fixAllPmaDb = $request->getParsedBodyParam('fixall_pmadb');
+        /** @var string|null $fixPmaDb */
+        $fixPmaDb = $request->getParsedBodyParam('fix_pmadb');
 
         $cfgStorageDbName = $this->relation->getConfigurationStorageDbName();
 
         // If request for creating the pmadb
-        if (isset($params['create_pmadb']) && $this->relation->createPmaDatabase($cfgStorageDbName)) {
+        if (isset($createPmaDb) && $this->relation->createPmaDatabase($cfgStorageDbName)) {
             $this->relation->fixPmaTables($cfgStorageDbName);
         }
 
         // If request for creating all PMA tables.
-        if (isset($params['fixall_pmadb'])) {
+        if (isset($fixAllPmaDb)) {
             $this->relation->fixPmaTables($db);
         }
 
         $cfgRelation = $this->relation->getRelationsParam();
         // If request for creating missing PMA tables.
-        if (isset($params['fix_pmadb'])) {
+        if (isset($fixPmaDb)) {
             $this->relation->fixPmaTables($cfgRelation['db']);
         }
 
diff --git a/libraries/classes/Controllers/ColumnController.php b/libraries/classes/Controllers/ColumnController.php
index 177f42740d..4beae8d011 100644
--- a/libraries/classes/Controllers/ColumnController.php
+++ b/libraries/classes/Controllers/ColumnController.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace PhpMyAdmin\Controllers;
 
 use PhpMyAdmin\DatabaseInterface;
+use PhpMyAdmin\Http\ServerRequest;
 use PhpMyAdmin\Message;
 use PhpMyAdmin\ResponseRenderer;
 use PhpMyAdmin\Template;
@@ -24,15 +25,20 @@ final class ColumnController extends AbstractController
         $this->dbi = $dbi;
     }
 
-    public function __invoke(): void
+    public function __invoke(ServerRequest $request): void
     {
-        if (! isset($_POST['db'], $_POST['table'])) {
+        /** @var string|null $db */
+        $db = $request->getParsedBodyParam('db');
+        /** @var string|null $table */
+        $table = $request->getParsedBodyParam('table');
+
+        if (! isset($db, $table)) {
             $this->response->setRequestStatus(false);
             $this->response->addJSON(['message' => Message::error()]);
 
             return;
         }
 
-        $this->response->addJSON(['columns' => $this->dbi->getColumnNames($_POST['db'], $_POST['table'])]);
+        $this->response->addJSON(['columns' => $this->dbi->getColumnNames($db, $table)]);
     }
 }
diff --git a/libraries/classes/Controllers/ConfigController.php b/libraries/classes/Controllers/ConfigController.php
index 714b1eed18..63c8f3d7bd 100644
--- a/libraries/classes/Controllers/ConfigController.php
+++ b/libraries/classes/Controllers/ConfigController.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace PhpMyAdmin\Controllers;
 
 use PhpMyAdmin\Config;
+use PhpMyAdmin\Http\ServerRequest;
 use PhpMyAdmin\Message;
 use PhpMyAdmin\ResponseRenderer;
 use PhpMyAdmin\Template;
@@ -25,28 +26,36 @@ final class ConfigController extends AbstractController
         $this->config = $config;
     }
 
-    public function get(): void
+    public function get(ServerRequest $request): void
     {
-        if (! isset($_POST['key'])) {
+        /** @var string|null $key */
+        $key = $request->getParsedBodyParam('key');
+
+        if (! isset($key)) {
             $this->response->setRequestStatus(false);
             $this->response->addJSON(['message' => Message::error()]);
 
             return;
         }
 
-        $this->response->addJSON(['value' => $this->config->get($_POST['key'])]);
+        $this->response->addJSON(['value' => $this->config->get($key)]);
     }
 
-    public function set(): void
+    public function set(ServerRequest $request): void
     {
-        if (! isset($_POST['key'], $_POST['value'])) {
+        /** @var string|null $key */
+        $key = $request->getParsedBodyParam('key');
+        /** @var string|null $value */
+        $value = $request->getParsedBodyParam('value');
+
+        if (! isset($key, $value)) {
             $this->response->setRequestStatus(false);
             $this->response->addJSON(['message' => Message::error()]);
 
             return;
         }
 
-        $result = $this->config->setUserValue(null, $_POST['key'], json_decode($_POST['value']));
+        $result = $this->config->setUserValue(null, $key, json_decode($value));
 
         if ($result === true) {
             return;
diff --git a/libraries/classes/Controllers/ErrorReportController.php b/libraries/classes/Controllers/ErrorReportController.php
index 3c2273e8e4..fbb88e5724 100644
--- a/libraries/classes/Controllers/ErrorReportController.php
+++ b/libraries/classes/Controllers/ErrorReportController.php
@@ -9,6 +9,7 @@ namespace PhpMyAdmin\Controllers;
 
 use PhpMyAdmin\ErrorHandler;
 use PhpMyAdmin\ErrorReport;
+use PhpMyAdmin\Http\ServerRequest;
 use PhpMyAdmin\Message;
 use PhpMyAdmin\ResponseRenderer;
 use PhpMyAdmin\Template;
@@ -46,23 +47,27 @@ class ErrorReportController extends AbstractController
         $this->errorHandler = $errorHandler;
     }
 
-    public function __invoke(): void
+    public function __invoke(ServerRequest $request): void
     {
         global $cfg;
 
-        if (
-            ! isset($_POST['exception_type'])
-            || ! in_array($_POST['exception_type'], ['js', 'php'])
-        ) {
+        /** @var string $exceptionType */
+        $exceptionType = $request->getParsedBodyParam('exception_type', '');
+        /** @var string|null $sendErrorReport */
+        $sendErrorReport = $request->getParsedBodyParam('send_error_report');
+        /** @var string|null $automatic */
+        $automatic = $request->getParsedBodyParam('automatic');
+        /** @var string|null $alwaysSend */
+        $alwaysSend = $request->getParsedBodyParam('always_send');
+        /** @var string|null $getSettings */
+        $getSettings = $request->getParsedBodyParam('get_settings');
+
+        if (! in_array($exceptionType, ['js', 'php'])) {
             return;
         }
 
-        if (
-            isset($_POST['send_error_report'])
-            && ($_POST['send_error_report'] == true
-                || $_POST['send_error_report'] == '1')
-        ) {
-            if ($_POST['exception_type'] === 'php') {
+        if ($sendErrorReport) {
+            if ($exceptionType === 'php') {
                 /**
                  * Prevent infinite error submission.
                  * Happens in case error submissions fails.
@@ -85,7 +90,7 @@ class ErrorReportController extends AbstractController
                 }
             }
 
-            $reportData = $this->errorReport->getData($_POST['exception_type']);
+            $reportData = $this->errorReport->getData($exceptionType);
             // report if and only if there were 'actual' errors.
             if (count($reportData) > 0) {
                 $server_response = $this->errorReport->send($reportData);
@@ -99,11 +104,7 @@ class ErrorReportController extends AbstractController
 
                 /* Message to show to the user */
                 if ($success) {
-                    if (
-                        (isset($_POST['automatic'])
-                            && $_POST['automatic'] === 'true')
-                        || $cfg['SendErrorReports'] === 'always'
-                    ) {
+                    if ($automatic === 'true' || $cfg['SendErrorReports'] === 'always') {
                         $msg = __(
                             'An error has been detected and an error report has been '
                             . 'automatically submitted based on your settings.'
@@ -134,35 +135,32 @@ class ErrorReportController extends AbstractController
 
                 /* Add message to response */
                 if ($this->response->isAjax()) {
-                    if ($_POST['exception_type'] === 'js') {
+                    if ($exceptionType === 'js') {
                         $this->response->addJSON('message', $msg);
                     } else {
                         $this->response->addJSON('errSubmitMsg', $msg);
                     }
-                } elseif ($_POST['exception_type'] === 'php') {
+                } elseif ($exceptionType === 'php') {
                     $jsCode = 'Functions.ajaxShowMessage(\'<div class="alert alert-danger" role="alert">'
                         . $msg
                         . '</div>\', false);';
                     $this->response->getFooter()->getScripts()->addCode($jsCode);
                 }
 
-                if ($_POST['exception_type'] === 'php') {
+                if ($exceptionType === 'php') {
                     // clear previous errors & save new ones.
                     $this->errorHandler->savePreviousErrors();
                 }
 
                 /* Persist always send settings */
-                if (
-                    isset($_POST['always_send'])
-                    && $_POST['always_send'] === 'true'
-                ) {
+                if ($alwaysSend === 'true') {
                     $userPreferences = new UserPreferences();
                     $userPreferences->persistOption('SendErrorReports', 'always', 'ask');
                 }
             }
-        } elseif (! empty($_POST['get_settings'])) {
+        } elseif ($getSettings) {
             $this->response->addJSON('report_setting', $cfg['SendErrorReports']);
-        } elseif ($_POST['exception_type'] === 'js') {
+        } elseif ($exceptionType === 'js') {
             $this->response->addJSON('report_modal', $this->errorReport->getEmptyModal());
             $this->response->addHTML($this->errorReport->getForm());
         } else {
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 15fc285329..7933755c1d 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -80,11 +80,6 @@ parameters:
 			count: 1
 			path: libraries/classes/Config/Validator.php
 
-		-
-			message: "#^Parameter \\#5 \\$foreign_limit of method PhpMyAdmin\\\\Relation\\:\\:getForeignData\\(\\) expects string, string\\|null given\\.$#"
-			count: 1
-			path: libraries/classes/Controllers/BrowseForeignersController.php
-
 		-
 			message: "#^Argument of an invalid type array\\|null supplied for foreach, only iterables are supported\\.$#"
 			count: 1
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index ea4d01cff2..66d019b099 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -1083,23 +1083,6 @@
       <code>$params['message']</code>
     </MixedAssignment>
   </file>
-  <file src="libraries/classes/Controllers/BrowseForeignersController.php">
-    <MixedArgument occurrences="10">
-      <code>$params['data'] ?? ''</code>
-      <code>$params['db']</code>
-      <code>$params['db']</code>
-      <code>$params['field']</code>
-      <code>$params['field']</code>
-      <code>$params['fieldkey'] ?? ''</code>
-      <code>$params['foreign_filter'] ?? ''</code>
-      <code>$params['foreign_showAll']</code>
-      <code>$params['table']</code>
-      <code>$params['table']</code>
-    </MixedArgument>
-    <PossiblyNullArgument occurrences="1">
-      <code>$foreignLimit ?? null</code>
-    </PossiblyNullArgument>
-  </file>
   <file src="libraries/classes/Controllers/ChangeLogController.php">
     <UnusedFunctionCall occurrences="1">
       <code>readgzfile</code>
@@ -1110,18 +1093,9 @@
       <code>$db</code>
     </MixedArgument>
   </file>
-  <file src="libraries/classes/Controllers/ColumnController.php">
-    <MixedArgument occurrences="2">
-      <code>$_POST['db']</code>
-      <code>$_POST['table']</code>
-    </MixedArgument>
-  </file>
   <file src="libraries/classes/Controllers/ConfigController.php">
-    <MixedArgument occurrences="4">
-      <code>$_POST['key']</code>
-      <code>$_POST['key']</code>
-      <code>$_POST['value']</code>
-      <code>json_decode($_POST['value'])</code>
+    <MixedArgument occurrences="1">
+      <code>json_decode($value)</code>
     </MixedArgument>
   </file>
   <file src="libraries/classes/Controllers/Database/CentralColumnsController.php">
@@ -1861,9 +1835,6 @@
     </MixedPropertyFetch>
   </file>
   <file src="libraries/classes/Controllers/ErrorReportController.php">
-    <MixedArgument occurrences="1">
-      <code>$_POST['exception_type']</code>
-    </MixedArgument>
     <MixedArrayAccess occurrences="1">
       <code>$decoded_response['success']</code>
     </MixedArrayAccess>
@@ -14130,22 +14101,10 @@
     </RedundantCondition>
   </file>
   <file src="libraries/classes/Routing.php">
-    <MixedArgument occurrences="3">
+    <MixedArgument occurrences="2">
       <code>$_GET['db']</code>
       <code>$_GET['table']</code>
-      <code>$controllerName</code>
     </MixedArgument>
-    <MixedArrayAccess occurrences="2">
-      <code>$action</code>
-      <code>$controllerName</code>
-    </MixedArrayAccess>
-    <MixedAssignment occurrences="2">
-      <code>$controller</code>
-      <code>[$controllerName, $action]</code>
-    </MixedAssignment>
-    <MixedMethodCall occurrences="1">
-      <code>$action</code>
-    </MixedMethodCall>
   </file>
   <file src="libraries/classes/Sanitize.php">
     <MixedArgument occurrences="6">