HTML API: Use strict in_array comparison for checking URI attributes.

This patch modifies the URL-escaping code in the HTML API to rely on strict comparisons. This prevents accidental matching via type-coercion.

Developed in https://github.com/wordpress/wordpress-develop/pull/7196

Follow-up to [58473].
Props jonsurrell.

Built from https://develop.svn.wordpress.org/trunk@58897


git-svn-id: http://core.svn.wordpress.org/trunk@58293 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/html-api/class-wp-html-tag-processor.php

@@ -3667,7 +3667,7 @@ class WP_HTML_Tag_Processor {
 			 *
 			 * @see https://html.spec.whatwg.org/#attributes-3
 			 */
-			$escaped_new_value = in_array( $comparable_name, wp_kses_uri_attributes() ) ? esc_url( $value ) : esc_attr( $value );
+			$escaped_new_value = in_array( $comparable_name, wp_kses_uri_attributes(), true ) ? esc_url( $value ) : esc_attr( $value );
 
 			// If the escaping functions wiped out the update, reject it and indicate it was rejected.
 			if ( '' === $escaped_new_value && '' !== $value ) {

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-alpha-58896';
+$wp_version = '6.7-alpha-58897';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.