We talked about the security flaw in Wordpress here. Now there’s official release for this and other security issues available at Wordpress.

As Matt from Wordpress said: “This is a bug fix and security release, and is recommended for all WordPress users.”.

First of all Make a backup of your database and site files and proceed further.

Just few words in addition to the WordPress Upgrade Instructions:

• another easy way to backup your Mysql Database if you have a shell on your hosting server - mysqldump -u [db_user] -p[db_password] [db_name] > wordpress.dmp
• restoring the Wordpress DB from the backup made above - mysql -u [db_ser] -p [db_name] <wordpress.dmp

It really takes just a few minutes. However if you run a blog with multilanguage UTF-8 support a good practise is before running the “Upgrade Script” (see Step4 from Upgrading Instructions) to set you database to handle UTF-8 fields correctly.

Just add the line “mysql_query(”set names ‘utf8′”,$this->dbh);” to line 44 at “wp-includes/wp-db.php” and then run the upgrade script (Step 4).

The upgrade script will re-insert all the posts and titles from your database, so if they are written in UTF-8 collation, the extended charecters will be smashed.

So, take a cup of coffee, read the instructions and start upgrading ! :)