Lengthy tale brief: If you downloaded and install WordPress 2.1.1 within the previous 3-4 days, your data might consist of a protection make use of that was included by a biscuit, and also you ought to update every one of your data to 2.1.2 right away.
Longer description: Today we got a note to our safety mailing address concerning uncommon and also extremely exploitable code in WordPress. The problem was checked out, and also it showed up that the 2.1.1 download had actually been changed from its initial code. We took the web site down right away to examine what took place.
It was established that a biscuit had actually gotten user-level accessibility to among the web servers that powers wordpress.org, and also had actually made use of that accessibility to customize the download data. We have actually secured down that web server for more forensics, however right now it shows up that the 2.1.1 download was the only point touched by the strike. They changed 2 data in WP to consist of code that would certainly permit remote PHP implementation.
This is the example you hope never ever occurs, however it did and also currently we’re taking care of it as ideal we can. Although not all downloads of 2.1.1 were impacted, we’re proclaiming the whole variation hazardous and also have actually launched a new version 2.1.2 that consists of small updates and also totally validated data. We are likewise taking great deals of procedures to guarantee something such as this can not occur once again, not the least of which is specifically outside confirmation of the download plan so we’ll understand right away if something fails for any type of factor.
Lastly, we reset passwords for a variety of individuals with SVN and also various other accessibility, so you might require to reset your password on the forums prior to you can login once again.
What You Can Do to Assist
If your blog site is running 2.1.1, please upgrade right away and also do a complete overwrite of your old data, particularly those in wp-includes. Have a look at your buddies blog sites and also if any one of them are running 2.1.1 decline them a note and also, if you can, join in and also aid them with the upgrade.
If you are a webhosting or network manager, block accessibility to “theme.php” and also “feed.php”, and also any type of question string with “ix=” or “iz=” in it. If you’re a client at a webhosting, you might wish to send them a note to allow them find out about this launch and also the above info.
Many Thanks to Ryan, Barry, Donncha, Mark, Michael, and also Dougal for resolving the evening to find out and also resolve this issue, and also many thanks to Ivan Fratric for reporting it to begin with.
Inquiries and also Solutions
As a result of the extremely uncommon nature of this occasion and also launch, we have actually established an e-mail address email@example.com that you can email inquiries to, and also we’ll be upgrading this entrance with even more info throughout the day.
Is variation 2.0 impacted?
No downloads were changed other than 2.1.1, so if you have actually downloaded and install any type of variation of 2.0 you ought to be great.
What happens if we upgrade from SVN?
Absolutely Nothing in the Subversion database was touched, so if you update and also keep your blog site through SVN there is no possibility you downloaded and install the damaged launch data.