diff --git a/wp-admin/plugins.php b/wp-admin/plugins.php
index cf4f192f64..c6df1eb37a 100644
--- a/wp-admin/plugins.php
+++ b/wp-admin/plugins.php
@@ -376,7 +376,7 @@ require_once(ABSPATH . 'wp-admin/admin-header.php');
 $invalid = validate_active_plugins();
 if ( !empty($invalid) )
 	foreach ( $invalid as $plugin_file => $error )
-		echo '<div id="message" class="error"><p>' . sprintf(__('The plugin <code>%s</code> has been <strong>deactivated</strong> due to an error: %s'), esc_html($plugin_file), $error->get_error_message()) . '</p></div>';
+		echo '<div id="message" class="error"><p>' . sprintf(__('The plugin <code>%s</code> has been <strong>deactivated</strong> due to an error: %s'), esc_html($plugin_file), esc_html( $error->get_error_message() ) ) . '</p></div>';
 ?>
 
 <?php if ( isset($_GET['error']) ) :
@@ -402,7 +402,7 @@ if ( !empty($invalid) )
 		delete_transient( 'plugins_delete_result_' . $user_ID );
 
 		if ( is_wp_error($delete_result) ) : ?>
-		<div id="message" class="updated"><p><?php printf( __('Plugin could not be deleted due to an error: %s'), $delete_result->get_error_message() ); ?></p></div>
+		<div id="message" class="updated"><p><?php printf( __('Plugin could not be deleted due to an error: %s'), esc_html( $delete_result->get_error_message() ) ); ?></p></div>
 		<?php else : ?>
 		<div id="message" class="updated"><p><?php _e('The selected plugins have been <strong>deleted</strong>.'); ?></p></div>
 		<?php endif; ?>
diff --git a/wp-includes/bookmark.php b/wp-includes/bookmark.php
index 86ea3d22ae..096d700da8 100644
--- a/wp-includes/bookmark.php
+++ b/wp-includes/bookmark.php
@@ -274,7 +274,7 @@ function get_bookmarks($args = '') {
 	$query .= " $exclusions $inclusions $search";
 	$query .= " ORDER BY $orderby $order";
 	if ($limit != -1)
-		$query .= " LIMIT $limit";
+		$query .= ' LIMIT ' . absint( $limit );
 
 	$results = $wpdb->get_results($query);
 
diff --git a/wp-includes/post-template.php b/wp-includes/post-template.php
index 476deb7296..945bd7b2bb 100644
--- a/wp-includes/post-template.php
+++ b/wp-includes/post-template.php
@@ -862,11 +862,12 @@ function post_custom( $key = '' ) {
 /**
  * Display list of post custom fields.
  *
- * @internal This will probably change at some point...
  * @since 1.2.0
- * @uses apply_filters() Calls 'the_meta_key' on list item HTML content, with key and value as separate parameters.
+ *
+ * @deprecated 6.0.2 Use get_post_meta() to retrieve post meta and render manually.
  */
 function the_meta() {
+	_deprecated_function( __FUNCTION__, '6.0.2', 'get_post_meta()' );
 	if ( $keys = get_post_custom_keys() ) {
 		echo "<ul class='post-meta'>\n";
 		foreach ( (array) $keys as $key ) {
@@ -885,7 +886,7 @@ function the_meta() {
 			 * @param string $key   Meta key.
 			 * @param string $value Meta value.
 			 */
-			echo apply_filters( 'the_meta_key', "<li><span class='post-meta-key'>$key:</span> $value</li>\n", $key, $value );
+			echo apply_filters( 'the_meta_key', "<li><span class='post-meta-key'>" . esc_html( $key ) . ":</span>" . esc_html( $value ) . "</li>\n", $key, $value );
 		}
 		echo "</ul>\n";
 	}