Install WordPress 2.6.3
Apparently, a security flaw has been found in the Snoopy library that WordPress uses. This has made the WordPress team put out a new release, WordPress 2.6.3. According to their blog post, you only have to change that class and the file holding the version number, but an astute developer on the WordPress developer mailing list noticed that they'd slipped one other minor fix in to. So to upgrade to 2.6.3, all you have to do is download these 3 files from wordpress.org:
And overwrite them in their appropriate directories. Make very sure that you're not overwriting the wp-includes/media.php but the one in wp-admin/includes/media.php.
Probably one of the easiest WordPress upgrades you've ever had in your life. It should be noted that I use the Snoopy library in several of my plugins, so you'd better upgrade!

by Daniel Scocco on 24 October, 2008 at 09:27
Joost, what if I am running 2.6.1, can i still replace those files?
by Joost de Valk on 24 October, 2008 at 09:28
Yes you could but you'd miss some of the 2.6.2 upgrades, probably safer to do a full upgrade then.
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by fatihturan on 24 October, 2008 at 15:33
Two files serving on official WordPress blog post. But you are offering three file for upgrade to 2.6.3.
What's different from old media.php to new one?
Thanks.
by Remi Turcotte on 24 October, 2008 at 15:53
What kind of security flaw ?
by Joost de Valk on 24 October, 2008 at 16:07
Dunnow, check the WP post.
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by Adrianus V on 25 October, 2008 at 18:06
Just like Fatihturan said: there are officially only two upgraded files, not media.php. There'se nothing mentioned about it on the WP-site.
by Joost de Valk on 25 October, 2008 at 18:38
be stubborn if you wish, I bet you know better than the developers on wp-hackers :-)
by Adrianus V on 25 October, 2008 at 20:35
Hé Joost, I'm just a blogger, not a developper or IT'er. ;-)
by Joost de Valk on 25 October, 2008 at 20:41
Well then stop thinking for yourself and start trusting that I won't shit you :)
Here's the changeset, to prove that I'm right: http://trac.wordpress.org/changeset?new=branches%409310&old=branches%408849
by Adrianus V on 25 October, 2008 at 20:52
Hé, I updated media.php and now my blog is broken! No, just kidding. :-) Everything is just fine. Thanx for your info!
by Joost de Valk on 25 October, 2008 at 20:56
@Adrianus: Mypleasure!
by smooth on 26 October, 2008 at 05:57
After all the hassles I had with WPAU, I've now just realised that there was only 3 files to replace...
Live and learn I guess.
by Jan on 26 October, 2008 at 20:40
Bedankt, dat was super simpel!
by Dmitry Chestnykh on 26 October, 2008 at 22:42
If anyone uses localized versions of WordPress (for example, I use ru.wordpress.org distribution), make sure you download those files for your localized version. I'm not sure why, but when I upgraded my (localized) WordPress by replacing two files from the main distribution, my Dashboard was empty.
by Tertius on 29 October, 2008 at 17:23
Glad I found this before doing a larger upgrade.
Easily done!
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