If you’re still putting of upgrading your version of Wordpress to the latest (2.5, with 2.5.1 already on the way) then maybe it is time to make the jump. I say this as word circles the web yesterday and today that Technorati, one of the biggest blog indexing sites online, has decided NOT to index “vulnerable and exploited Wordpress blogs”.

If you don’t upgrade your copy of Wordpress, you’re at risk of being left out of the Technorati blog index as well as other services feeding off Technorati.

Some of the older versions of Wordpress have been exploited and may (a small possibility) in certain circumstances be hacked or are at a greater risk to hacking attempts, these issues being patched in more recent versions, especially in Wordpress 2.5.

Exploits can be made through core WP files and possibly through suspect Wordpress themes as well. Mark Ghosh, who writes for Weblog Tools Collection suggests the downloading of themes only from the author’s original link (unless, in my opinion, you’re sourcing themes from a high-traffic and respected theme host).

The bottom line is though, in the combat of spam, hacking attempts and the possibility of falling out of search engine results and rankings, now is the time to be upgrading to Wordpress 2.5. I’ve already updated several blogs and it’s an absolute breeze. If you’re stuck, don’t be afraid to shout!

Of course, this only applies to those of you hosting Wordpress blogs yourself, if you’re on Wordpress.com then you’ve got nothing to worry about!

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