AC-13019: Currency configuration issue fixed

Author: hemanthjadobe

app/code/Magento/Backend/Block/Dashboard/Orders/Grid.php

@@ -14,7 +14,6 @@
  * Adminhtml dashboard recent orders grid
  *
  * @api
- * @author      Magento Core Team <core@magentocommerce.com>
  * @SuppressWarnings(PHPMD.DepthOfInheritance)
  * @since 100.0.2
  */
@@ -152,7 +151,7 @@ protected function _prepareColumns()
                 'header' => __('Total'),
                 'sortable' => false,
                 'type' => 'currency',
-                'currency_code' => $baseCurrencyCode,
+                'currency_code' => $this->escapeHtml($baseCurrencyCode),
                 'index' => 'revenue'
             ]
         );

app/code/Magento/Config/Plugin/Model/Config/Backend/LocalePlugin.php

@@ -0,0 +1,58 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+declare(strict_types=1);
+
+namespace Magento\Config\Plugin\Model\Config\Backend;
+
+use Magento\Config\Model\Config\Backend\Locale;
+use Magento\Config\Model\Config\Source\Locale\Currency\All;
+use Magento\Framework\Exception\LocalizedException;
+
+class LocalePlugin
+{
+    /**
+     * @var All
+     */
+    private $currencyList;
+
+    /**
+     * @param All $currencyList
+     */
+    public function __construct(
+        All $currencyList
+    ) {
+        $this->currencyList = $currencyList;
+    }
+
+    /**
+     * Check whether currency code value is acceptable or not
+     *
+     * @param Locale $subject
+     * @return void
+     */
+    public function beforeSave(Locale $subject): void
+    {
+        if ($subject->isValueChanged()) {
+            $values = $subject->getValue();
+            if (count(array_diff($values, $this->getOptions()))) {
+                throw new LocalizedException(__('There was an error save new configuration value.'));
+            }
+        }
+    }
+
+    /**
+     * Get available options for weight unit
+     *
+     * @return array
+     */
+    private function getOptions()
+    {
+        $options = $this->currencyList->toOptionArray();
+
+        return array_column($options, 'value');
+    }
+}

app/code/Magento/Config/etc/adminhtml/di.xml

@@ -9,4 +9,8 @@
     <preference for="Magento\Config\Model\Config\Backend\File\RequestData\RequestDataInterface" type="Magento\Config\Model\Config\Backend\File\RequestData" />
     <type name="Magento\Config\Model\Config\Structure\Element\Iterator\Tab" shared="false" />
     <type name="Magento\Config\Model\Config\Structure\Element\Iterator\Section" shared="false" />
+    <type name="Magento\Config\Model\Config\Backend\Locale">
+        <plugin name="installed_currency_configuration_validation"
+                type="Magento\Config\Plugin\Model\Config\Backend\LocalePlugin" sortOrder="10" />
+    </type>
 </config>