Replace the WP-version with a random string < WP 2.4/5 and eliminate WP-version > WP 2.4/5, also on Feed and style- and script-urls
Security your WordPress-Installation and eliminate or replace your wp-version and database-version on easy way with a small plugin, also on Feed and style- and script-urls.
If you're running an older version of WordPress, anyone can view source to see what attacks might work against your blog. This plugin replace the WP-version with a random string < WP 2.4 and eliminate WP-version > WP 2.4.
Please visit the official website for further details and the latest information on this plugin.
» more security-informations: WordPress sicherer machen (german)