diff --git a/src/wp-admin/includes/user.php b/src/wp-admin/includes/user.php
index 5b6c6ffd8b..05dd852f2f 100644
--- a/src/wp-admin/includes/user.php
+++ b/src/wp-admin/includes/user.php
@@ -612,6 +612,7 @@ Please click the following link to activate your user account:
  * Checks if the Authorize Application Password request is valid.
  *
  * @since 5.6.0
+ * @since 6.2.0 Allow insecure HTTP connections for the local environment.
  *
  * @param array   $request {
  *     The array of request data. All arguments are optional and may be empty.
@@ -625,12 +626,13 @@ Please click the following link to activate your user account:
  * @return true|WP_Error True if the request is valid, a WP_Error object contains errors if not.
  */
 function wp_is_authorize_application_password_request_valid( $request, $user ) {
-	$error = new WP_Error();
+	$error    = new WP_Error();
+	$is_local = 'local' === wp_get_environment_type();
 
 	if ( ! empty( $request['success_url'] ) ) {
 		$scheme = wp_parse_url( $request['success_url'], PHP_URL_SCHEME );
 
-		if ( 'http' === $scheme ) {
+		if ( 'http' === $scheme && ! $is_local ) {
 			$error->add(
 				'invalid_redirect_scheme',
 				__( 'The success URL must be served over a secure connection.' )
@@ -641,7 +643,7 @@ function wp_is_authorize_application_password_request_valid( $request, $user ) {
 	if ( ! empty( $request['reject_url'] ) ) {
 		$scheme = wp_parse_url( $request['reject_url'], PHP_URL_SCHEME );
 
-		if ( 'http' === $scheme ) {
+		if ( 'http' === $scheme && ! $is_local ) {
 			$error->add(
 				'invalid_redirect_scheme',
 				__( 'The rejection URL must be served over a secure connection.' )
diff --git a/tests/phpunit/tests/admin/includesUser.php b/tests/phpunit/tests/admin/includesUser.php
index 0b590377e9..c4f6f0c9c1 100644
--- a/tests/phpunit/tests/admin/includesUser.php
+++ b/tests/phpunit/tests/admin/includesUser.php
@@ -7,52 +7,82 @@
 class Tests_Admin_IncludesUser extends WP_UnitTestCase {
 
 	/**
-	 * @ticket       42790
+	 * Test redirect URLs for application password authorization requests.
+	 *
+	 * @ticket 42790
+	 * @ticket 52617
+	 *
+	 * @covers ::wp_is_authorize_application_password_request_valid
+	 *
 	 * @dataProvider data_is_authorize_application_password_request_valid
-	 * @param array  $request    The request data to validate.
-	 * @param string $error_code The expected error code, empty if no error.
+	 *
+	 * @param array  $request             The request data to validate.
+	 * @param string $expected_error_code The expected error code, empty if no error is expected.
+	 * @param string $env                 The environment type. Defaults to 'production'.
 	 */
-	public function test_is_authorize_application_password_request_valid( $request, $error_code ) {
-		$error = wp_is_authorize_application_password_request_valid( $request, get_userdata( 1 ) );
+	public function test_is_authorize_application_password_request_valid( $request, $expected_error_code, $env = 'production' ) {
+		putenv( "WP_ENVIRONMENT_TYPE=$env" );
 
-		if ( $error_code ) {
-			$this->assertWPError( $error );
-			$this->assertSame( $error_code, $error->get_error_code() );
+		$actual = wp_is_authorize_application_password_request_valid( $request, get_userdata( 1 ) );
+
+		putenv( 'WP_ENVIRONMENT_TYPE' );
+
+		if ( $expected_error_code ) {
+			$this->assertWPError( $actual, 'A WP_Error object is expected.' );
+			$this->assertSame( $expected_error_code, $actual->get_error_code(), 'Unexpected error code.' );
 		} else {
-			$this->assertNotWPError( $error );
+			$this->assertNotWPError( $actual, 'A WP_Error object is not expected.' );
 		}
 	}
 
 	public function data_is_authorize_application_password_request_valid() {
-		return array(
-			array(
-				array(),
-				'',
-			),
-			array(
-				array( 'success_url' => 'http://example.org' ),
-				'invalid_redirect_scheme',
-			),
-			array(
-				array( 'reject_url' => 'http://example.org' ),
-				'invalid_redirect_scheme',
-			),
-			array(
-				array( 'success_url' => 'https://example.org' ),
-				'',
-			),
-			array(
-				array( 'reject_url' => 'https://example.org' ),
-				'',
-			),
-			array(
-				array( 'success_url' => 'wordpress://example' ),
-				'',
-			),
-			array(
-				array( 'reject_url' => 'wordpress://example' ),
-				'',
-			),
-		);
+		$environment_types = array( 'local', 'development', 'staging', 'production' );
+
+		$datasets = array();
+		foreach ( $environment_types as $environment_type ) {
+			$datasets[ $environment_type . ' and no request arguments' ] = array(
+				'request'             => array(),
+				'expected_error_code' => '',
+				'env'                 => $environment_type,
+			);
+
+			$datasets[ $environment_type . ' and a "https" scheme "success_url"' ] = array(
+				'request'             => array( 'success_url' => 'https://example.org' ),
+				'expected_error_code' => '',
+				'env'                 => $environment_type,
+			);
+
+			$datasets[ $environment_type . ' and a "https" scheme "reject_url"' ] = array(
+				'request'             => array( 'reject_url' => 'https://example.org' ),
+				'expected_error_code' => '',
+				'env'                 => $environment_type,
+			);
+
+			$datasets[ $environment_type . ' and an app scheme "success_url"' ] = array(
+				'request'             => array( 'success_url' => 'wordpress://example' ),
+				'expected_error_code' => '',
+				'env'                 => $environment_type,
+			);
+
+			$datasets[ $environment_type . ' and an app scheme "reject_url"' ] = array(
+				'request'             => array( 'reject_url' => 'wordpress://example' ),
+				'expected_error_code' => '',
+				'env'                 => $environment_type,
+			);
+
+			$datasets[ $environment_type . ' and a "http" scheme "success_url"' ] = array(
+				'request'             => array( 'success_url' => 'http://example.org' ),
+				'expected_error_code' => 'local' === $environment_type ? '' : 'invalid_redirect_scheme',
+				'env'                 => $environment_type,
+			);
+
+			$datasets[ $environment_type . ' and a "http" scheme "reject_url"' ] = array(
+				'request'             => array( 'reject_url' => 'http://example.org' ),
+				'expected_error_code' => 'local' === $environment_type ? '' : 'invalid_redirect_scheme',
+				'env'                 => $environment_type,
+			);
+		}
+
+		return $datasets;
 	}
 }