diff --git a/wp-admin/admin-header.php b/wp-admin/admin-header.php
index 5f0fb75916..0a2b0b9d3f 100644
--- a/wp-admin/admin-header.php
+++ b/wp-admin/admin-header.php
@@ -77,13 +77,13 @@ wp_enqueue_script( 'svg-painter' );
$admin_body_class = preg_replace( '/[^a-z0-9_-]+/i', '-', $hook_suffix );
?>
diff --git a/wp-admin/custom-background.php b/wp-admin/custom-background.php
index e5151015ec..7d91333c22 100644
--- a/wp-admin/custom-background.php
+++ b/wp-admin/custom-background.php
@@ -574,6 +574,8 @@ class Custom_Background {
* @deprecated 3.5.0
*/
public function wp_set_background_image() {
+ check_ajax_referer( 'custom-background' );
+
if ( ! current_user_can( 'edit_theme_options' ) || ! isset( $_POST['attachment_id'] ) ) {
exit;
}
diff --git a/wp-admin/custom-header.php b/wp-admin/custom-header.php
index 127a46a6a7..a502e47063 100644
--- a/wp-admin/custom-header.php
+++ b/wp-admin/custom-header.php
@@ -338,7 +338,7 @@ class Custom_Image_Header {
?>
addLoadEvent = function(func){if(typeof jQuery!="undefined")jQuery(document).ready(func);else if(typeof wpOnload!='function'){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};
function tb_close(){var win=window.dialogArguments||opener||parent||top;win.tb_remove();}
-var ajaxurl = '',
- pagenow = 'id; ?>',
- typenow = 'post_type; ?>',
- adminpage = '',
- thousandsSeparator = 'number_format['thousands_sep'] ); ?>',
- decimalPoint = 'number_format['decimal_point'] ); ?>',
+var ajaxurl = '',
+ pagenow = 'id ); ?>',
+ typenow = 'post_type ); ?>',
+ adminpage = '',
+ thousandsSeparator = 'number_format['thousands_sep'] ); ?>',
+ decimalPoint = 'number_format['decimal_point'] ); ?>',
isRtl = ;
-
+
diff --git a/wp-admin/network/site-users.php b/wp-admin/network/site-users.php
index 5689014f2d..545aba0ce6 100644
--- a/wp-admin/network/site-users.php
+++ b/wp-admin/network/site-users.php
@@ -217,7 +217,7 @@ if ( ! wp_is_large_network( 'users' ) && apply_filters( 'show_network_site_users
require( ABSPATH . 'wp-admin/admin-header.php' ); ?>
diff --git a/wp-includes/Requests/Utility/FilteredIterator.php b/wp-includes/Requests/Utility/FilteredIterator.php
index 76a29e7228..c657433248 100644
--- a/wp-includes/Requests/Utility/FilteredIterator.php
+++ b/wp-includes/Requests/Utility/FilteredIterator.php
@@ -42,4 +42,17 @@ class Requests_Utility_FilteredIterator extends ArrayIterator {
$value = call_user_func($this->callback, $value);
return $value;
}
+
+ /**
+ * @inheritdoc
+ */
+ public function unserialize( $serialized ) {
+ }
+
+ /**
+ * @inheritdoc
+ */
+ public function __unserialize( $serialized ) { // phpcs:ignore PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.MethodDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.NewMagicMethods.__unserializeFound
+ $this->unserialize( $serialized );
+ }
}
diff --git a/wp-includes/class-wp-xmlrpc-server.php b/wp-includes/class-wp-xmlrpc-server.php
index 923a98884f..85e0fac740 100644
--- a/wp-includes/class-wp-xmlrpc-server.php
+++ b/wp-includes/class-wp-xmlrpc-server.php
@@ -3829,6 +3829,21 @@ class wp_xmlrpc_server extends IXR_Server {
return new IXR_Error( 403, __( 'Comment is required.' ) );
}
+ if (
+ 'publish' === get_post_status( $post_id ) &&
+ ! current_user_can( 'edit_post', $post_id ) &&
+ post_password_required( $post_id )
+ ) {
+ return new IXR_Error( 403, __( 'Sorry, you are not allowed to comment on this post.' ) );
+ }
+
+ if (
+ 'private' === get_post_status( $post_id ) &&
+ ! current_user_can( 'read_post', $post_id )
+ ) {
+ return new IXR_Error( 403, __( 'Sorry, you are not allowed to comment on this post.' ) );
+ }
+
$comment = array(
'comment_post_ID' => $post_id,
'comment_content' => $content_struct['content'],
@@ -4233,7 +4248,8 @@ class wp_xmlrpc_server extends IXR_Server {
/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
do_action( 'xmlrpc_call', 'wp.getMediaItem' );
- if ( ! $attachment = get_post( $attachment_id ) ) {
+ $attachment = get_post( $attachment_id );
+ if ( ! $attachment || 'attachment' !== $attachment->post_type ) {
return new IXR_Error( 404, __( 'Invalid attachment ID.' ) );
}
diff --git a/wp-includes/embed.php b/wp-includes/embed.php
index 2d0f916171..d886d3b2f9 100644
--- a/wp-includes/embed.php
+++ b/wp-includes/embed.php
@@ -604,7 +604,12 @@ function get_oembed_response_data_for_url( $url, $args ) {
$sites = get_sites( $qv );
$site = reset( $sites );
- if ( $site && (int) $site->blog_id !== get_current_blog_id() ) {
+ // Do not allow embeds for deleted/archived/spam sites.
+ if ( ! empty( $site->deleted ) || ! empty( $site->spam ) || ! empty( $site->archived ) ) {
+ return false;
+ }
+
+ if ( $site && get_current_blog_id() !== (int) $site->blog_id ) {
switch_to_blog( $site->blog_id );
$switched_blog = true;
}
diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index bef6d40805..3d0eac990d 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -1566,7 +1566,8 @@ function is_blog_installed() {
continue;
}
- if ( ! $wpdb->get_results( "DESCRIBE $table;" ) ) {
+ $described_table = $wpdb->get_results( "DESCRIBE $table;" );
+ if ( is_array( $described_table ) && count( $described_table ) === 0 ) {
continue;
}
diff --git a/wp-includes/meta.php b/wp-includes/meta.php
index 0942a5a0db..12c9e912bd 100644
--- a/wp-includes/meta.php
+++ b/wp-includes/meta.php
@@ -1028,8 +1028,9 @@ function _get_meta_table( $type ) {
* @param string|null $meta_type Optional. Type of object metadata is for (e.g., comment, post, term, or user).
* @return bool Whether the meta key is considered protected.
*/
-function is_protected_meta( $meta_key, $meta_type = null ) {
- $protected = ( '_' == $meta_key[0] );
+function is_protected_meta( $meta_key, $meta_type = '' ) {
+ $sanitized_key = preg_replace( "/[^\x20-\x7E\p{L}]/", '', $meta_key );
+ $protected = strlen( $sanitized_key ) > 0 && ( '_' === $sanitized_key[0] );
/**
* Filters whether a meta key is considered protected.