Google Website Optimiser Email ALERT !

There are two different security issues around Google products over the past 12 hours or so. The first is with Google Website Optimizer where there was the potential of an Cross-Site Scripting (XSS) attack. The second is with people using Goo.gl, Google’s URL shortener, within Twitter to grab your Twitter passwords. While the second one, goo.gl is not really a Google issue, the Google Website Optimizer XSS issue is.

Google sent out an email to Google Website Optimizer users saying:

Dear Website Optimiser user,

We are writing to inform you of a potential security issue with Website Optimiser. By exploiting a vulnerability in the Website Optimiser Control Script, an attacker might be able to execute malicious code on your site using a Cross-Site Scripting (XSS) attack. This attack can only take place if a website or browser has already been compromised by a separate attack. While the immediate probability of this attack is low, we urge you to take action to protect your site.

We have fixed the bug, and all new experiments are not susceptible. However, any experiments you are currently running need to be updated to fix the bug on your site. Additionally, if you have any Website Optimiser scripts from paused or stopped experiments created before 3 December 2010, you will need to remove or update that code as well.

There are two ways to update your code. You can either stop current experiments, remove the old scripts and create a new experiment, or you can update the code on your site directly. We strongly recommend creating a new experiment as it is the simpler method.

The email goes on to give specific examples on how to modify your current experiments to make sure you do not have malicious code on your site.

At the end of the email, Google apologized, saying:

We’re committed to keeping Website Optimiser secure, and we’re deeply sorry for this issue. We will continue to work hard to prevent future vulnerabilities.

Yours sincerely, Trevor Google Website Optimiser Team

Bloody brilliant……. just what we all need, more work to do due to Google’s failings yet again !!

Looks like a few of us have a bit of overtime to do….

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