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Official Google Website Optimizer Blog: Update your Website Optimizer scripts to secure your site
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If a website or browser has already been compromised by a separate attack, a hacker might also be able to execute malicious code by exploiting a bug in the Website Optimizer Control Script.</div><div><br /></div><div>We have not seen any evidence indicating that sites using Website Optimizer have been targeted through this bug, but wanted to proactively reach out to site owners. While the probability of this attack is very low, we are urging Website Optimizer users to take action by updating their Control Scripts. We have taken action, so all new experiments created after December 3 are not susceptible. </div><div><br /></div><div>Any experiments you are currently running need to be updated to fix the issue on your site. Additionally, if you have any Website Optimizer scripts from paused or stopped experiments created before December 3, you should remove or update that code as well.</div><div><br /></div><div>There are two ways to update your code:</div><div><ol><li>Stop current experiments, remove the old scripts, and create a new experiment.</li><li>Update the code on your site directly. We strongly recommend creating a new experiment as it is the simpler method. </li></ol></div><div>Instructions for both methods are available here at the <a href="http://www.google.com/support/websiteoptimizer/bin/answer.py?hl=en&answer=1083131">Website Optimizer Help Center</a>.</div><div><br /></div><div>We’re committed to keeping Website Optimizer secure, and we will proactively work to prevent any future vulnerabilities.</div></div></span></div><div><span class="byline-author"><br /></span></div>Posted by Trevor Claiborne, <i>Website Optimizer team</i></span> <div style='clear: both;'></div> </div> <div class='post-footer'> <p class='post-footer-line post-footer-line-1'> <span class='post-comment-link'> </span> <a href='http://websiteoptimizer.blogspot.com/2010/12/update-your-website-optimizer-scripts.html' title='permanent link'>Permalink</a> <span class='post-icons'> <span class='item-action'> <a href='https://www.blogger.com/email-post/36315330/2754511111903595734' title='Email Post'> <img alt='' class='icon-action' src='http://www.blogger.com/img/icon18_email.gif'/> </a> </span> <span class='item-control blog-admin pid-1285465925'> <a href='https://www.blogger.com/post-edit.g?blogID=36315330&postID=2754511111903595734&from=pencil' title='Edit Post'> <img alt='' class='icon-action' height='18' src='https://resources.blogblog.com/img/icon18_edit_allbkg.gif' width='18'/> </a> </span> </span> </p> <p class='post-footer-line post-footer-line-2'> <span class='post-labels'> Labels: <a href='http://websiteoptimizer.blogspot.com/search/label/Website%20Optimizer%20Blog' rel='tag'>Website Optimizer Blog</a> </span> </p> <p class='post-footer-line post-footer-line-3'></p> </div> </div> <div class='comments' id='comments'> <a name='comments'></a> <h4>3 comments:</h4> <div id='Blog1_comments-block-wrapper'> <dl class='avatar-comment-indent' id='comments-block'> <dt class='comment-author ' id='c1819835594848019650'> <a name='c1819835594848019650'></a> <div class="avatar-image-container avatar-stock"><span dir="ltr"><img src="//resources.blogblog.com/img/blank.gif" width="35" height="35" alt="" title="Matthew"> </span></div> Matthew said... </dt> <dd class='comment-body' id='Blog1_cmt-1819835594848019650'> <p> Thanks for the update. ObservePoint has a quick google optimizer code check script on their website - <br /><br />http://www.observepoint.com/optimizer-test.php<br /><br />You enter the URL of the page in question, and it will tell you whether the google website optimizer code is up-to-date, and if it needs to be edited, it will tell you what to change and where to change it. </p> </dd> <dd class='comment-footer'> <span class='comment-timestamp'> <a href='http://websiteoptimizer.blogspot.com/2010/12/update-your-website-optimizer-scripts.html?showComment=1291828202551#c1819835594848019650' title='comment permalink'> 12/8/10, 9:10 AM </a> <span class='item-control blog-admin pid-95415783'> <a class='comment-delete' href='https://www.blogger.com/delete-comment.g?blogID=36315330&postID=1819835594848019650' title='Delete Comment'> <img src='https://resources.blogblog.com/img/icon_delete13.gif'/> </a> </span> </span> </dd> <dt class='comment-author blog-author' id='c6214043155491841007'> <a name='c6214043155491841007'></a> <div class="avatar-image-container avatar-stock"><span dir="ltr"><a href="https://www.blogger.com/profile/06256946680237773114" target="" rel="nofollow" onclick="" class="avatar-hovercard" id="av-6214043155491841007-06256946680237773114"><img src="//www.blogger.com/img/blogger_logo_round_35.png" width="35" height="35" alt="" title="Trevor Claiborne"> </a></span></div> <a href='https://www.blogger.com/profile/06256946680237773114' rel='nofollow'>Trevor Claiborne</a> said... </dt> <dd class='comment-body' id='Blog1_cmt-6214043155491841007'> <p> Thanks Matthew, looks helpful. </p> </dd> <dd class='comment-footer'> <span class='comment-timestamp'> <a href='http://websiteoptimizer.blogspot.com/2010/12/update-your-website-optimizer-scripts.html?showComment=1291828991775#c6214043155491841007' title='comment permalink'> 12/8/10, 9:23 AM </a> <span class='item-control blog-admin pid-1285465925'> <a class='comment-delete' href='https://www.blogger.com/delete-comment.g?blogID=36315330&postID=6214043155491841007' title='Delete Comment'> <img src='https://resources.blogblog.com/img/icon_delete13.gif'/> </a> </span> </span> </dd> <dt class='comment-author ' id='c2651691748099968494'> <a name='c2651691748099968494'></a> <div class="avatar-image-container avatar-stock"><span dir="ltr"><a href="http://www.thebigpropertylist.co.uk" target="" rel="nofollow" onclick=""><img src="//resources.blogblog.com/img/blank.gif" width="35" height="35" alt="" title="James"> </a></span></div> <a href='http://www.thebigpropertylist.co.uk' rel='nofollow'>James</a> said... </dt> <dd class='comment-body' id='Blog1_cmt-2651691748099968494'> <p> Good to know, thaks guys<br /><br />@Matthew thanks for the tool. </p> </dd> <dd class='comment-footer'> <span class='comment-timestamp'> <a href='http://websiteoptimizer.blogspot.com/2010/12/update-your-website-optimizer-scripts.html?showComment=1291928665488#c2651691748099968494' title='comment permalink'> 12/9/10, 1:04 PM </a> <span class='item-control blog-admin pid-95415783'> <a class='comment-delete' href='https://www.blogger.com/delete-comment.g?blogID=36315330&postID=2651691748099968494' title='Delete Comment'> <img src='https://resources.blogblog.com/img/icon_delete13.gif'/> </a> </span> </span> </dd> </dl> </div> <p class='comment-footer'> <div class='comment-form'> <a name='comment-form'></a> <h4 id='comment-post-message'>Post a Comment</h4> <p><i>You are welcome to comment here, but your remarks should be relevant to the conversation. 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