Removed author tag and bumped version of templates to 3.5.0, factored out function to one common place.

includes/wc-template-functions.php

@@ -3397,3 +3397,23 @@ if ( ! function_exists( 'woocommerce_product_reviews_tab' ) ) {
 		wc_deprecated_function( 'woocommerce_product_reviews_tab', '2.4' );
 	}
 }
+
+/**
+ * Filters out the same tags as wp_kses_post, but allows tabindex for <a> element.
+ *
+ * @since 3.5.0
+ * @param string $message Content to filter through kses.
+ * @return string
+ */
+function wc_kses_notice( $message ) {
+	return wp_kses( $message,
+		array_replace_recursive( // phpcs:ignore PHPCompatibility.PHP.NewFunctions.array_replace_recursiveFound
+			wp_kses_allowed_html( 'post' ),
+			array(
+				'a' => array(
+					'tabindex' => true,
+				),
+			)
+		)
+	);
+}

templates/notices/error.php

@@ -11,9 +11,8 @@
  * the readme will list any important changes.
  *
  * @see         https://docs.woocommerce.com/document/template-structure/
- * @author      WooThemes
  * @package     WooCommerce/Templates
- * @version     3.3.0
+ * @version     3.5.0
  */
 
 if ( ! defined( 'ABSPATH' ) ) {
@@ -29,16 +28,7 @@ if ( ! $messages ) {
 	<?php foreach ( $messages as $message ) : ?>
 		<li>
 			<?php
-				echo wp_kses( $message,
-					array_replace_recursive(
-						wp_kses_allowed_html( 'post' ),
-						array(
-							'a' => array(
-								'tabindex' => true,
-							),
-						)
-					) // phpcs:ignore PHPCompatibility.PHP.NewFunctions.array_replace_recursiveFound
-				);
+				echo wc_kses_notice( $message ); // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped
 			?>
 		</li>
 	<?php endforeach; ?>

templates/notices/notice.php

@@ -11,9 +11,8 @@
  * the readme will list any important changes.
  *
  * @see         https://docs.woocommerce.com/document/template-structure/
- * @author      WooThemes
  * @package     WooCommerce/Templates
- * @version     1.6.4
+ * @version     3.5.0
  */
 
 if ( ! defined( 'ABSPATH' ) ) {
@@ -29,16 +28,7 @@ if ( ! $messages ) {
 <?php foreach ( $messages as $message ) : ?>
 	<div class="woocommerce-info">
 		<?php
-			echo wp_kses( $message,
-				array_replace_recursive(
-					wp_kses_allowed_html( 'post' ),
-					array(
-						'a' => array(
-							'tabindex' => true,
-						),
-					)
-				) // phpcs:ignore PHPCompatibility.PHP.NewFunctions.array_replace_recursiveFound
-			);
+			echo wc_kses_notice( $message ); // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped
 		?>
 	</div>
 <?php endforeach; ?>

templates/notices/success.php

@@ -11,9 +11,8 @@
  * the readme will list any important changes.
  *
  * @see         https://docs.woocommerce.com/document/template-structure/
- * @author      WooThemes
  * @package     WooCommerce/Templates
- * @version     3.3.0
+ * @version     3.5.0
  */
 
 if ( ! defined( 'ABSPATH' ) ) {
@@ -29,16 +28,7 @@ if ( ! $messages ) {
 <?php foreach ( $messages as $message ) : ?>
 	<div class="woocommerce-message" role="alert">
 		<?php
-			echo wp_kses( $message,
-				array_replace_recursive(
-					wp_kses_allowed_html( 'post' ),
-					array(
-						'a' => array(
-							'tabindex' => true,
-						),
-					)
-				) // phpcs:ignore PHPCompatibility.PHP.NewFunctions.array_replace_recursiveFound
-			);
+			echo wc_kses_notice( $message ); // phpcs:ignore WordPress.XSS.EscapeOutput.OutputNotEscaped
 		?>
 	</div>
 <?php endforeach; ?>