Ticket #8526: post.php.diff

wordpress/wp-admin/includes/post.php

@@ -926 +926 @@
         $post->post_status = $original_status;
         $post->post_date = $original_date;
         $post->post_name = $original_name;
+        // Note: Replace cached copy of post to restore original (unhacked)
+        // data.  get_permalink calls get_posts which calls wp_cache_add!!!
+        if ( false !== wp_cache_get($post->ID, 'posts') )
+                wp_cache_replace($post->ID, $post, 'posts');
         return $permalink;
 }