diff --git a/Plugin/Framework/File/Uploader.php b/Plugin/Framework/File/Uploader.php
new file mode 100644
index 0000000..ea2cb63
--- /dev/null
+++ b/Plugin/Framework/File/Uploader.php
@@ -0,0 +1,14 @@
+<?php
+namespace ShiftSST\Core\Plugin\Framework\File;
+use Magento\Framework\File\Uploader as Sb;
+// 2019-10-03
+// "Transfer the `Magento\Framework\File\Uploader::checkMimeType()` method modification to a plugin":
+// https://github.com/shiftsst/core/issues/12
+final class Uploader {
+	/**
+	 * 2019-10-03
+	 * @see \Magento\Framework\File\Uploader::checkMimeType()
+	 * @return bool
+	 */
+	function aroundCheckMimeType() {return true;}
+}
\ No newline at end of file
diff --git a/composer.json b/composer.json
index a8d8ebd..4569c31 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
 	"name": "shiftsst/core"
-	,"version": "0.0.2"
+	,"version": "0.0.3"
 	,"description": "A custom module for shiftsst.com (Magento 2)"
 	,"type": "magento2-module"
 	,"homepage": "https://github.com/shiftsst/core"
diff --git a/etc/di.xml b/etc/di.xml
index 3e270ee..1a5863a 100644
--- a/etc/di.xml
+++ b/etc/di.xml
@@ -3,6 +3,15 @@
 	xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'
 	xsi:noNamespaceSchemaLocation='urn:magento:framework:ObjectManager/etc/config.xsd'
 >
+<!-- 2019-10-03
+"Transfer the `Magento\Framework\File\Uploader::checkMimeType()` method modification to a plugin":
+https://github.com/shiftsst/core/issues/12 -->
+	<type name='Magento\Framework\File\Uploader'>
+		<plugin
+			name='ShiftSST\Core\Plugin\Framework\File\Uploader'
+			type='ShiftSST\Core\Plugin\Framework\File\Uploader'
+		/>
+	</type>
 <!-- 2019-10-02 "How to remove the «PayPal CREDIT» button in Magento ≥ 2.3.1?" https://mage2.pro/t/6030 -->
 	<type name='Magento\Paypal\Model\Config'>
 		<plugin name='ShiftSST\Core\Plugin\Paypal\Model\Config' type='ShiftSST\Core\Plugin\Paypal\Model\Config'/>