diff --git a/src/js/_enqueues/admin/post.js b/src/js/_enqueues/admin/post.js
index 3168fec886..ec1a0d718a 100644
--- a/src/js/_enqueues/admin/post.js
+++ b/src/js/_enqueues/admin/post.js
@@ -795,7 +795,9 @@ jQuery(document).ready( function($) {
}
// Update "Status:" to currently selected status.
- $('#post-status-display').html($('option:selected', postStatus).text());
+ $('#post-status-display').text(
+ wp.sanitize.stripTagsAndEncodeText( $('option:selected', postStatus).text() ) // Remove any potential tags from post status text.
+ );
// Show or hide the "Save Draft" button.
if ( $('option:selected', postStatus).val() == 'private' || $('option:selected', postStatus).val() == 'publish' ) {
diff --git a/src/js/_enqueues/wp/a11y.js b/src/js/_enqueues/wp/a11y.js
index 503c62142b..648b629d37 100644
--- a/src/js/_enqueues/wp/a11y.js
+++ b/src/js/_enqueues/wp/a11y.js
@@ -27,8 +27,8 @@ window.wp = window.wp || {};
// Clear previous messages to allow repeated strings being read out.
clear();
- // Ensure only text is sent to screen readers.
- message = $( '
' ).html( message ).text();
+ // Remove HTML tags, ensuring only text is sent to screen readers.
+ message = wp.sanitize.stripTagsAndEncodeText( message );
/*
* Safari 10+VoiceOver don't announce repeated, identical strings. We use
diff --git a/src/js/_enqueues/wp/customize/nav-menus.js b/src/js/_enqueues/wp/customize/nav-menus.js
index 69067706b3..19962019a7 100644
--- a/src/js/_enqueues/wp/customize/nav-menus.js
+++ b/src/js/_enqueues/wp/customize/nav-menus.js
@@ -3456,7 +3456,7 @@
*/
function displayNavMenuName( name ) {
name = name || '';
- name = $( '
' ).text( name ).html(); // Emulate esc_html() which is used in wp-admin/nav-menus.php.
+ name = wp.sanitize.stripTagsAndEncodeText( name ); // Remove any potential tags from name.
name = $.trim( name );
return name || api.Menus.data.l10n.unnamed;
}
diff --git a/src/js/_enqueues/wp/sanitize.js b/src/js/_enqueues/wp/sanitize.js
index 76b587ba74..6082b1912d 100644
--- a/src/js/_enqueues/wp/sanitize.js
+++ b/src/js/_enqueues/wp/sanitize.js
@@ -23,10 +23,20 @@
stripTags: function( text ) {
text = text || '';
- return text
- .replace( /|$)/g, '' )
- .replace( /<(script|style)[^>]*>[\s\S]*?(<\/\1>|$)/ig, '' )
- .replace( /<\/?[a-z][\s\S]*?(>|$)/ig, '' );
+ // Do the replacement.
+ var _text = text
+ .replace( /|$)/g, '' )
+ .replace( /<(script|style)[^>]*>[\s\S]*?(<\/\1>|$)/ig, '' )
+ .replace( /<\/?[a-z][\s\S]*?(>|$)/ig, '' );
+
+ // If the initial text is not equal to the modified text,
+ // do the search-replace again, until there is nothing to be replaced.
+ if ( _text !== text ) {
+ return wp.sanitize.stripTags( _text );
+ }
+
+ // Return the text with stripped tags.
+ return _text;
},
/**
@@ -41,7 +51,7 @@
textarea = document.createElement( 'textarea' );
try {
- textarea.innerHTML = _text;
+ textarea.textContent = _text;
_text = wp.sanitize.stripTags( textarea.value );
} catch ( er ) {}
diff --git a/src/js/_enqueues/wp/updates.js b/src/js/_enqueues/wp/updates.js
index dfc4547ecb..367bdf0284 100644
--- a/src/js/_enqueues/wp/updates.js
+++ b/src/js/_enqueues/wp/updates.js
@@ -262,7 +262,8 @@
if ( 'undefined' !== typeof response.debug && window.console && window.console.log ) {
_.map( response.debug, function( message ) {
- window.console.log( $( '
' ).html( message ).text() );
+ // Remove all HTML tags and write a message to the console.
+ window.console.log( wp.sanitize.stripTagsAndEncodeText( message ) );
} );
}
};
diff --git a/src/wp-includes/script-loader.php b/src/wp-includes/script-loader.php
index 7a30e73efd..1ec63c5178 100644
--- a/src/wp-includes/script-loader.php
+++ b/src/wp-includes/script-loader.php
@@ -880,7 +880,9 @@ function wp_default_scripts( &$scripts ) {
)
);
- $scripts->add( 'wp-a11y', "/wp-includes/js/wp-a11y$suffix.js", array( 'jquery' ), false, 1 );
+ $scripts->add( 'wp-sanitize', "/wp-includes/js/wp-sanitize$suffix.js", array(), false, 1 );
+
+ $scripts->add( 'wp-a11y', "/wp-includes/js/wp-a11y$suffix.js", array( 'jquery', 'wp-sanitize' ), false, 1 );
$scripts->add( 'sack', "/wp-includes/js/tw-sack$suffix.js", array(), '1.6.1', 1 );
@@ -1487,7 +1489,7 @@ function wp_default_scripts( &$scripts ) {
$scripts->add( 'customize-widgets', "/wp-admin/js/customize-widgets$suffix.js", array( 'jquery', 'jquery-ui-sortable', 'jquery-ui-droppable', 'wp-backbone', 'customize-controls' ), false, 1 );
$scripts->add( 'customize-preview-widgets', "/wp-includes/js/customize-preview-widgets$suffix.js", array( 'jquery', 'wp-util', 'customize-preview', 'customize-selective-refresh' ), false, 1 );
- $scripts->add( 'customize-nav-menus', "/wp-admin/js/customize-nav-menus$suffix.js", array( 'jquery', 'wp-backbone', 'customize-controls', 'accordion', 'nav-menu' ), false, 1 );
+ $scripts->add( 'customize-nav-menus', "/wp-admin/js/customize-nav-menus$suffix.js", array( 'jquery', 'wp-backbone', 'customize-controls', 'accordion', 'nav-menu', 'wp-sanitize' ), false, 1 );
$scripts->add( 'customize-preview-nav-menus', "/wp-includes/js/customize-preview-nav-menus$suffix.js", array( 'jquery', 'wp-util', 'customize-preview', 'customize-selective-refresh' ), false, 1 );
$scripts->add( 'wp-custom-header', "/wp-includes/js/wp-custom-header$suffix.js", array( 'wp-a11y' ), false, 1 );
@@ -1572,7 +1574,7 @@ function wp_default_scripts( &$scripts ) {
)
);
- $scripts->add( 'post', "/wp-admin/js/post$suffix.js", array( 'suggest', 'wp-lists', 'postbox', 'tags-box', 'underscore', 'word-count', 'wp-a11y' ), false, 1 );
+ $scripts->add( 'post', "/wp-admin/js/post$suffix.js", array( 'suggest', 'wp-lists', 'postbox', 'tags-box', 'underscore', 'word-count', 'wp-a11y', 'wp-sanitize' ), false, 1 );
did_action( 'init' ) && $scripts->localize(
'post',
'postL10n',
@@ -1700,7 +1702,7 @@ function wp_default_scripts( &$scripts ) {
)
);
- $scripts->add( 'updates', "/wp-admin/js/updates$suffix.js", array( 'jquery', 'wp-util', 'wp-a11y' ), false, 1 );
+ $scripts->add( 'updates', "/wp-admin/js/updates$suffix.js", array( 'jquery', 'wp-util', 'wp-a11y', 'wp-sanitize' ), false, 1 );
did_action( 'init' ) && $scripts->localize(
'updates',
'_wpUpdatesSettings',
diff --git a/tests/phpunit/tests/dependencies/scripts.php b/tests/phpunit/tests/dependencies/scripts.php
index b1dda73d97..f0638a7176 100644
--- a/tests/phpunit/tests/dependencies/scripts.php
+++ b/tests/phpunit/tests/dependencies/scripts.php
@@ -692,7 +692,7 @@ JS;
$wp_scripts->do_concat = true;
$ver = get_bloginfo( 'version' );
- $expected = "\n";
+ $expected = "\n";
$expected .= "\n";
$expected .= "\n";
$expected .= "\n";
diff --git a/tests/qunit/index.html b/tests/qunit/index.html
index 1d9e688915..2f2ad59b39 100644
--- a/tests/qunit/index.html
+++ b/tests/qunit/index.html
@@ -76,6 +76,7 @@
++