Ticket #25529: 25529.diff

src/wp-includes/formatting.php

@@ -1762 +1762 @@
 
         $smiley = trim( reset( $matches ) );
         $img = $wpsmiliestrans[ $smiley ];
-        $smiley_masked = esc_attr( $smiley );
 
         $src_url = apply_filters( 'smilies_src', includes_url( "images/smilies/$img" ), $img, site_url() );
 
-        return " <img src='$src_url' alt='$smiley_masked' class='wp-smiley' /> ";
+        return sprintf( ' <img src="%s" alt="%s" class="wp-smiley" /> ', esc_url( $src_url ), esc_attr( $smiley ) );
 }
 
 /**