Frank Bueltge

The plugin is not longer supported and is not maintained.
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 <a href="http://bueltge.de/wordpress-version-verschleiern-plugin/602/" title="Replace WP-Version" rel="nofollow ugc">the official website</a> for further details and the latest information on this plugin.
» more security-informations: <a href="http://wordpress-buch.bueltge.de/wordpress-sicherer-machen/30/" title="WordPress sicherer machen" rel="nofollow ugc">WordPress sicherer machen</a> (german)

Replace WP-Version

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

naganandhini

Removes WordPress version number , shortlink, wlwmanifest and RSD
A simple plugin to prevent people from knowing what version of WordPress you’re using via your HTML source and to cleanup the unwanted header tags generated by wordpress. 
Find more about the plugin here: http://www.naganandhini.com/remove-wp-version-and-shortlink-wordpress-plugin/

Remove WP version and shortlink

Removes WordPress version number , shortlink, wlwmanifest and RSD

Replace WP-Version vs Remove WP version and shortlink