Confluence Docs 3.0 : Confluence 2.6.2 Upgrade Guide This page last changed on Nov 13, 2007 by smaddox. 27 November 2007 Atlassian is proud to announce the release of Confluence 2.6.2. This is a highly recommended upgrade, because it fixes some security flaws which may affect Confluence instances in a public environment. These flaws are XSS (cross-site scripting) vulnerabilities in some of Confluence's macros and Wiki Markup, which potentially allowed a user to insert malicious HTML tags or script into a Confluence page. Please refer to the Security Advisory for details. This point release also includes more than 20 other fixes and improvements. As part of our drive to tighten up the security in Confluence, we have removed support for the 'style' attribute in the Wiki Markup for images. This was an undocumented feature, which is now no longer available. To help those who may have used the 'style' tag to add coloured borders, we have added a new 'bordercolor' attribute to the image markup. The PDF and HTML space exports are now more reliable than in Confluence 2.6.0 and 2.6.1. We've fixed the failure to send daily digest email notifications. (This problem occurred when the Confluence instance contained draft pages.) This release also contains some improvements in the wiki's support of internationalisation. And you'll be delighted to see that the plus and minus buttons are back, next to the 'Recently Updated' section of the Dashboard – so you can now increase or decrease the number of items you see in that section. ### Upgrade Procedure If you are already running a version of Confluence, please follow these instructions to upgrade to the latest version: Before you upgrade, we strongly recommend that you back up your `confluence.home` directory and database. If your version of Confluence is earlier than 2.6.1, read the release notes and upgrade guides for all releases between your version and the latest version. In particular: If you are upgrading from 2.1 or earlier, please read the 2.2 release notes. If you are upgrading from a version earlier than 2.6.0, please read the 2.6 upgrade notes. Download the latest version of Confluence. Follow the instructions in the Upgrade Guide.

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