Ticket #57207: 57207.diff

src/wp-includes/comment.php

@@ -1357 +1357 @@
                 // in the spam words don't break things:
                 $word = preg_quote( $word, '#' );
 
-                $pattern = "#$word#i";
+                $pattern = "#$word#iu";
                 if ( preg_match( $pattern, $author )
                         || preg_match( $pattern, $email )
                         || preg_match( $pattern, $url )

tests/phpunit/tests/comment/wpCheckCommentDisallowedList.php

@@ -40 +40 @@
                 $this->assertTrue( $result );
         }
 
+        /**
+         * @ticket 57207
+         */
+        public function test_should_return_true_when_content_with_non_latin_letters_matches_disallowed_keys() {
+                $author       = 'Setup';
+                $author_email = 'setup@example.com';
+                $author_url   = 'http://example.com';
+                $comment      = 'Установка';
+                $author_ip    = '192.168.0.1';
+                $user_agent   = '';
+
+                update_option( 'disallowed_keys', "установка\nfoo" );
+
+                $result = wp_check_comment_disallowed_list( $author, $author_email, $author_url, $comment, $author_ip, $user_agent );
+
+                $this->assertTrue( $result );
+        }
+
         public function test_should_return_true_when_author_matches_disallowed_keys() {
                 $author       = 'Sideshow Mel';
                 $author_email = 'mel@example.com';