diff --git a/.github/workflows/action.yml b/.github/workflows/action.yml
index d4f0d0d07f7..e00bb9863d5 100644
--- a/.github/workflows/action.yml
+++ b/.github/workflows/action.yml
@@ -21,7 +21,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ ubuntu-20.04 ]
+        operating-system: [ ubuntu-22.04 ]
         php: [ 7.4 ]
         db: [ mysql, pgsql, sqlite3 ]
         include:
@@ -112,7 +112,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ ubuntu-20.04 ]
+        operating-system: [ ubuntu-22.04 ]
         php: [ 7.4 ]
         db: [ pgsql ]
         group: [ admin01, admin02, admin03, front, installer ]
@@ -186,6 +186,9 @@ jobs:
     - name: setup-chromedriver
       uses: nanasess/setup-chromedriver@master
 
+    - name: Install fonts
+      run: sudo apt install fonts-ipafont fonts-ipaexfont
+
     - name: Run chromedriver
       run: |
         export DISPLAY=:99
@@ -235,7 +238,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ ubuntu-20.04 ]
+        operating-system: [ ubuntu-22.04 ]
         php: [ 7.4 ]
         db: [ pgsql, mysql ]
         method:
@@ -381,7 +384,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ ubuntu-20.04 ]
+        operating-system: [ ubuntu-22.04 ]
         php: [ 7.4 ]
         db: [ pgsql, mysql ]
         method:
@@ -525,7 +528,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ ubuntu-20.04 ]
+        operating-system: [ ubuntu-22.04 ]
         php: [ 7.4 ]
         db: [ pgsql, mysql ]
         method:
@@ -669,7 +672,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        operating-system: [ ubuntu-20.04 ]
+        operating-system: [ ubuntu-22.04 ]
         php: [ 7.4 ]
         db: [ pgsql, mysql ]
         method:
@@ -812,7 +815,7 @@ jobs:
 
   deploy:
     name: Deploy
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - name: Checkout
       if: github.event_name == 'release' && (github.event.action == 'published' || github.event.action == 'prereleased' )
diff --git a/codeception/_envs/github_action.yml b/codeception/_envs/github_action.yml
index 04907352348..a009f2de6ee 100644
--- a/codeception/_envs/github_action.yml
+++ b/codeception/_envs/github_action.yml
@@ -8,6 +8,7 @@ modules:
                 chromeOptions:
                     prefs:
                         download.default_directory: '%GITHUB_WORKSPACE%/codeception/_support/_downloads'
+                wait: 30
         MailCatcher:
             url: 'localhost'
             port: 1080
diff --git a/codeception/acceptance/EF03OrderCest.php b/codeception/acceptance/EF03OrderCest.php
index 174c7bf3077..bf8337dab8f 100644
--- a/codeception/acceptance/EF03OrderCest.php
+++ b/codeception/acceptance/EF03OrderCest.php
@@ -123,9 +123,13 @@ public function order_カート数量減らす(\AcceptanceTester $I)
         ProductDetailPage::go($I, 2)
             ->カートに入れる(2)
             ->カートへ進む();
+        
+        $I->wait(1);
 
         $cartPage = CartPage::go($I)
             ->商品数量減らす(1);
+        
+        $I->wait(1);
 
         // 確認
         $I->assertEquals('1', $cartPage->商品数量(1));
diff --git a/package-lock.json b/package-lock.json
index a585b51a048..e33d65a823a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "eccube",
-  "version": "4.0.6-p4",
+  "version": "4.0.6-p5",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 1af3bf261a8..6ad97f26d86 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "eccube",
-  "version": "4.0.6-p4",
+  "version": "4.0.6-p5",
   "description": "EC-CUBE EC open platform.",
   "main": "index.js",
   "directories": {
diff --git a/src/Eccube/Common/Constant.php b/src/Eccube/Common/Constant.php
index c8cd428abf3..c9c8892a7aa 100644
--- a/src/Eccube/Common/Constant.php
+++ b/src/Eccube/Common/Constant.php
@@ -18,7 +18,7 @@ class Constant
     /**
      * EC-CUBE VERSION.
      */
-    const VERSION = '4.0.6-p4';
+    const VERSION = '4.0.6-p5';
 
     /**
      * Enable value.
diff --git a/src/Eccube/Controller/Admin/Store/OwnerStoreController.php b/src/Eccube/Controller/Admin/Store/OwnerStoreController.php
index 6b703140698..fbfaad578c5 100644
--- a/src/Eccube/Controller/Admin/Store/OwnerStoreController.php
+++ b/src/Eccube/Controller/Admin/Store/OwnerStoreController.php
@@ -32,6 +32,8 @@
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\Validator\Constraints as Assert;
+use Symfony\Component\Validator\Validator\ValidatorInterface;
 
 /**
  * @Route("/%eccube_admin_route%/store/plugin/api")
@@ -63,6 +65,11 @@ class OwnerStoreController extends AbstractController
      */
     protected $pluginApiService;
 
+    /**
+     * @var ValidatorInterface
+     */
+    protected $validator;
+
     private static $vendorName = 'ec-cube';
 
     /** @var BaseInfo */
@@ -81,6 +88,7 @@ class OwnerStoreController extends AbstractController
      * @param PluginApiService $pluginApiService
      * @param BaseInfoRepository $baseInfoRepository
      * @param CacheUtil $cacheUtil
+     * @param ValidatorInterface $validatorInterface
      *
      * @throws \Doctrine\ORM\NoResultException
      * @throws \Doctrine\ORM\NonUniqueResultException
@@ -92,7 +100,8 @@ public function __construct(
         SystemService $systemService,
         PluginApiService $pluginApiService,
         BaseInfoRepository $baseInfoRepository,
-        CacheUtil $cacheUtil
+        CacheUtil $cacheUtil,
+        ValidatorInterface $validatorInterface
     ) {
         $this->pluginRepository = $pluginRepository;
         $this->pluginService = $pluginService;
@@ -100,6 +109,7 @@ public function __construct(
         $this->pluginApiService = $pluginApiService;
         $this->BaseInfo = $baseInfoRepository->get();
         $this->cacheUtil = $cacheUtil;
+        $this->validator = $validatorInterface;
 
         // TODO: Check the flow of the composer service below
         $this->composerService = $composerService;
@@ -266,14 +276,32 @@ public function apiInstall(Request $request)
 
         $pluginCode = $request->get('pluginCode');
 
-        $log = null;
-        try {
-            $log = $this->composerService->execRequire('ec-cube/'.$pluginCode);
-
-            return $this->json(['success' => true, 'log' => $log]);
-        } catch (\Exception $e) {
-            $log = $e->getMessage();
-            log_error($e);
+        $errors = $this->validator->validate(
+            $pluginCode,
+            [
+                new Assert\NotBlank(),
+                new Assert\Regex(
+                    [
+                        'pattern' => '/^[a-zA-Z0-9_]+$/',
+                    ]
+                ),
+            ]
+        );
+
+        if ($errors->count() != 0) {
+            $log = [];
+            foreach ($errors as $error) {
+                $log[] = $error->getMessage();
+            }
+        } else {
+            try {
+                $log = $this->composerService->execRequire('ec-cube/'.$pluginCode);
+    
+                return $this->json(['success' => true, 'log' => $log]);
+            } catch (\Exception $e) {
+                $log = $e->getMessage();
+                log_error($e);
+            }
         }
 
         return $this->json(['success' => false, 'log' => $log], 500);
@@ -350,14 +378,53 @@ public function apiUpgrade(Request $request)
         $pluginCode = $request->get('pluginCode');
         $version = $request->get('version');
 
-        $log = null;
-        try {
-            $log = $this->composerService->execRequire('ec-cube/'.$pluginCode.':'.$version);
+        $log = [];
+        
+        $errors = $this->validator->validate(
+            $pluginCode,
+            [
+                new Assert\NotBlank(),
+                new Assert\Regex(
+                    [
+                        'pattern' => '/^[a-zA-Z0-9_]+$/',
+                    ]
+                ),
+            ]
+        );
+
+        if ($errors->count() != 0) {
+            foreach ($errors as $error) {
+                $log[] = $error->getMessage();
+            }
+        }
 
-            return $this->json(['success' => true, 'log' => $log]);
-        } catch (\Exception $e) {
-            $log = $e->getMessage();
-            log_error($e);
+        $errors = $this->validator->validate(
+            $version,
+            [
+                new Assert\NotBlank(),
+                new Assert\Regex(
+                    [
+                        'pattern' => '/^[0-9.]+$/',
+                    ]
+                ),
+            ]
+        );
+
+        if ($errors->count() != 0) {
+            foreach ($errors as $error) {
+                $log[] = $error->getMessage();
+            }
+        }
+
+        if (empty($log)) {
+            try {
+                $log = $this->composerService->execRequire('ec-cube/'.$pluginCode.':'.$version);
+    
+                return $this->json(['success' => true, 'log' => $log]);
+            } catch (\Exception $e) {
+                $log = $e->getMessage();
+                log_error($e);
+            }
         }
 
         return $this->json(['success' => false, 'log' => $log], 500);
diff --git a/tests/Eccube/Tests/Service/CsvImportServiceTest.php b/tests/Eccube/Tests/Service/CsvImportServiceTest.php
index 36b5e625437..c137733b6d3 100644
--- a/tests/Eccube/Tests/Service/CsvImportServiceTest.php
+++ b/tests/Eccube/Tests/Service/CsvImportServiceTest.php
@@ -94,6 +94,10 @@ public function testReadCsvFileWithTrailingBlankLines()
         $CsvImportService->setColumnHeaders(['id', 'number', 'description']);
 
         foreach ($CsvImportService as $row) {
+            if (empty(array_filter($row))) {
+                continue;
+            }
+            
             $this->assertNotNull($row['id']);
             $this->assertNotNull($row['number']);
             $this->assertNotNull($row['description']);
diff --git a/tests/Eccube/Tests/Web/Admin/Store/PluginControllerTest.php b/tests/Eccube/Tests/Web/Admin/Store/PluginControllerTest.php
index d12df535949..2ffca3625c3 100644
--- a/tests/Eccube/Tests/Web/Admin/Store/PluginControllerTest.php
+++ b/tests/Eccube/Tests/Web/Admin/Store/PluginControllerTest.php
@@ -50,4 +50,85 @@ public function testSubmit()
         $this->actual = $this->container->get(BaseInfoRepository::class)->get()->getPhpPath();
         $this->verify();
     }
+
+    /**
+     * 異常系を確認。正常系のインストールはE2Eテストの方で実施
+     *
+     * @dataProvider OwnerStoreInstallParam
+     * 
+     */
+    public function testFailureInstall($param1, $param2, $message)
+    {
+        $form = [
+            'pluginCode' => $param1,
+            'version' => $param2,
+        ];
+
+        $crawler = $this->client->request('POST',
+            $this->generateUrl('admin_store_plugin_api_install', $form),
+            [],
+            [],
+            [
+                'HTTP_X-Requested-With' => 'XMLHttpRequest',
+                'CONTENT_TYPE' => 'application/json',
+            ]
+        );
+        //　ダウンロードできないことを確認
+        $this->assertEquals(500, $this->client->getResponse()->getStatusCode());
+        //　ログを確認
+        $this->assertContains($message, json_decode($this->client->getResponse()->getContent())->log);
+    }
+
+    /**
+     * 異常系を確認。正常系のアップデートはE2Eテストの方で実施
+     *
+     * @dataProvider OwnerStoreUpgradeParam
+     * 
+     */
+    public function testFailureUpgrade($param1, $param2, $message)
+    {
+        $form = [
+            'pluginCode' => $param1,
+            'version' => $param2,
+        ];
+
+        $crawler = $this->client->request('POST',
+            $this->generateUrl('admin_store_plugin_api_upgrade', $form),
+            [],
+            [],
+            [
+                'HTTP_X-Requested-With' => 'XMLHttpRequest',
+                'CONTENT_TYPE' => 'application/json',
+            ]
+        );
+        //　ダウンロードできないことを確認
+        $this->assertEquals(500, $this->client->getResponse()->getStatusCode());
+
+        //　ログを確認
+        $this->assertTrue(strpos(implode(',', json_decode($this->client->getResponse()->getContent())->log), $message) !== false);
+    }
+
+    /**
+     * 異常系のテストケース
+     */
+    public function OwnerStoreInstallParam()
+    {
+        return [
+            ['api+symfony/yaml:5.3', '2.1.3', '有効な値ではありません。'],
+            ['', '2.1.3','入力されていません。'],
+        ];
+    }
+
+    /**
+     * 異常系のテストケース
+     */
+    public function OwnerStoreUpgradeParam()
+    {
+        return [
+            ['api+symfony/yaml:5.3', '2.1.3', '有効な値ではありません。'],
+            ['api', '2.1.3+symfony/yaml:5.3', '有効な値ではありません。'],
+            ['', '2.1.3','入力されていません。'],
+            ['api', '','入力されていません。'],
+        ];
+    }
 }