Hardening: Add escaping to the language attributes used on html elements.

Built from https://develop.svn.wordpress.org/trunk@42259


git-svn-id: http://core.svn.wordpress.org/trunk@42088 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
John Blackbourn 2017-11-29 15:55:47 +00:00
parent eaf1cfdc1f
commit 3713ac5ebc
2 changed files with 8 additions and 6 deletions

View File

@ -3568,12 +3568,14 @@ function get_language_attributes( $doctype = 'html' ) {
if ( function_exists( 'is_rtl' ) && is_rtl() )
$attributes[] = 'dir="rtl"';
if ( $lang = get_bloginfo('language') ) {
if ( get_option('html_type') == 'text/html' || $doctype == 'html' )
$attributes[] = "lang=\"$lang\"";
if ( $lang = get_bloginfo( 'language' ) ) {
if ( get_option( 'html_type' ) == 'text/html' || $doctype == 'html' ) {
$attributes[] = 'lang="' . esc_attr( $lang ) . '"';
}
if ( get_option('html_type') != 'text/html' || $doctype == 'xhtml' )
$attributes[] = "xml:lang=\"$lang\"";
if ( get_option( 'html_type' ) != 'text/html' || $doctype == 'xhtml' ) {
$attributes[] = 'xml:lang="' . esc_attr( $lang ) . '"';
}
}
$output = implode(' ', $attributes);

View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.0-alpha-42258';
$wp_version = '5.0-alpha-42259';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.