diff --git a/DependencyInjection/AddConsoleCommandPass.php b/DependencyInjection/AddConsoleCommandPass.php
index efaf39a2c..cfb204941 100644
--- a/DependencyInjection/AddConsoleCommandPass.php
+++ b/DependencyInjection/AddConsoleCommandPass.php
@@ -50,7 +50,7 @@ public function process(ContainerBuilder $container)
                 if (!$r->isSubclassOf(Command::class)) {
                     throw new InvalidArgumentException(sprintf('The service "%s" tagged "%s" must be a subclass of "%s".', $id, 'console.command', Command::class));
                 }
-                $aliases = $class::getDefaultName();
+                $aliases = str_replace('%', '%%', $class::getDefaultName() ?? '');
             }
 
             $aliases = explode('|', $aliases ?? '');
@@ -107,7 +107,7 @@ public function process(ContainerBuilder $container)
                 if (!$r->isSubclassOf(Command::class)) {
                     throw new InvalidArgumentException(sprintf('The service "%s" tagged "%s" must be a subclass of "%s".', $id, 'console.command', Command::class));
                 }
-                $description = $class::getDefaultDescription();
+                $description = str_replace('%', '%%', $class::getDefaultDescription() ?? '');
             }
 
             if ($description) {
diff --git a/Tester/ApplicationTester.php b/Tester/ApplicationTester.php
index 0404020c6..275a30500 100644
--- a/Tester/ApplicationTester.php
+++ b/Tester/ApplicationTester.php
@@ -49,17 +49,37 @@ public function __construct(Application $application)
      */
     public function run(array $input, array $options = []): int
     {
-        $this->input = new ArrayInput($input);
-        if (isset($options['interactive'])) {
-            $this->input->setInteractive($options['interactive']);
-        }
+        $prevShellVerbosity = getenv('SHELL_VERBOSITY');
 
-        if ($this->inputs) {
-            $this->input->setStream(self::createStream($this->inputs));
-        }
+        try {
+            $this->input = new ArrayInput($input);
+            if (isset($options['interactive'])) {
+                $this->input->setInteractive($options['interactive']);
+            }
 
-        $this->initOutput($options);
+            if ($this->inputs) {
+                $this->input->setStream(self::createStream($this->inputs));
+            }
 
-        return $this->statusCode = $this->application->run($this->input, $this->output);
+            $this->initOutput($options);
+
+            return $this->statusCode = $this->application->run($this->input, $this->output);
+        } finally {
+            // SHELL_VERBOSITY is set by Application::configureIO so we need to unset/reset it
+            // to its previous value to avoid one test's verbosity to spread to the following tests
+            if (false === $prevShellVerbosity) {
+                if (\function_exists('putenv')) {
+                    @putenv('SHELL_VERBOSITY');
+                }
+                unset($_ENV['SHELL_VERBOSITY']);
+                unset($_SERVER['SHELL_VERBOSITY']);
+            } else {
+                if (\function_exists('putenv')) {
+                    @putenv('SHELL_VERBOSITY='.$prevShellVerbosity);
+                }
+                $_ENV['SHELL_VERBOSITY'] = $prevShellVerbosity;
+                $_SERVER['SHELL_VERBOSITY'] = $prevShellVerbosity;
+            }
+        }
     }
 }
diff --git a/Tests/DependencyInjection/AddConsoleCommandPassTest.php b/Tests/DependencyInjection/AddConsoleCommandPassTest.php
index aa92c76f1..eec4eff43 100644
--- a/Tests/DependencyInjection/AddConsoleCommandPassTest.php
+++ b/Tests/DependencyInjection/AddConsoleCommandPassTest.php
@@ -153,6 +153,33 @@ public function testProcessFallsBackToDefaultDescription()
         $this->assertSame(1 + $initCounter, DescribedCommand::$initCounter);
     }
 
+    public function testEscapesDefaultFromPhp()
+    {
+        $container = new ContainerBuilder();
+        $container
+            ->register('to-escape', EscapedDefaultsFromPhpCommand::class)
+            ->addTag('console.command')
+        ;
+
+        $pass = new AddConsoleCommandPass();
+        $pass->process($container);
+
+        $commandLoader = $container->getDefinition('console.command_loader');
+        $commandLocator = $container->getDefinition((string) $commandLoader->getArgument(0));
+
+        $this->assertSame(ContainerCommandLoader::class, $commandLoader->getClass());
+        $this->assertSame(['%%cmd%%' => 'to-escape', '%%cmdalias%%' => 'to-escape'], $commandLoader->getArgument(1));
+        $this->assertEquals([['to-escape' => new ServiceClosureArgument(new Reference('.to-escape.lazy'))]], $commandLocator->getArguments());
+        $this->assertSame([], $container->getParameter('console.command.ids'));
+
+        $command = $container->get('console.command_loader')->get('%%cmd%%');
+
+        $this->assertInstanceOf(LazyCommand::class, $command);
+        $this->assertSame('%cmd%', $command->getName());
+        $this->assertSame(['%cmdalias%'], $command->getAliases());
+        $this->assertSame('Creates a 80% discount', $command->getDescription());
+    }
+
     public function testProcessThrowAnExceptionIfTheServiceIsAbstract()
     {
         $this->expectException(\InvalidArgumentException::class);
@@ -286,6 +313,12 @@ class NamedCommand extends Command
     protected static $defaultName = 'default';
 }
 
+class EscapedDefaultsFromPhpCommand extends Command
+{
+    protected static $defaultName = '%cmd%|%cmdalias%';
+    protected static $defaultDescription = 'Creates a 80% discount';
+}
+
 class DescribedCommand extends Command
 {
     public static $initCounter = 0;