diff --git a/src/wp-includes/default-filters.php b/src/wp-includes/default-filters.php index 57e02d6fab..14a48e5bfd 100644 --- a/src/wp-includes/default-filters.php +++ b/src/wp-includes/default-filters.php @@ -167,6 +167,7 @@ add_filter( 'comment_text_rss', 'ent2ncr', 8 ); add_filter( 'comment_text_rss', 'esc_html' ); add_filter( 'bloginfo_rss', 'ent2ncr', 8 ); add_filter( 'the_author', 'ent2ncr', 8 ); +add_filter( 'the_guid', 'esc_url' ); // Misc filters add_filter( 'option_ping_sites', 'privacy_ping_filter' ); diff --git a/src/wp-includes/post-template.php b/src/wp-includes/post-template.php index 4d54178ee2..427b0acf90 100644 --- a/src/wp-includes/post-template.php +++ b/src/wp-includes/post-template.php @@ -172,7 +172,14 @@ function get_the_title( $post = 0 ) { * @param int|WP_Post $id Optional. Post ID or post object. */ function the_guid( $id = 0 ) { - echo esc_url( get_the_guid( $id ) ); + /** + * Filter the escaped Global Unique Identifier (guid) of the post. + * + * @since 4.2.0 + * + * @param string $post_guid Escaped Global Unique Identifier (guid) of the post. + */ + echo apply_filters( 'the_guid', get_the_guid( $id ) ); } /**