The Joomla Project is pleased to announce the immediate availability of Joomla 2.5.1. This is a security release. The Production Leadership Team's goal is to continue to provide regular, frequent updates to the Joomla community. Learn more about Joomla! developement at the Developer Site.

The update process is very simple, and complete instructions are available here. Note that there are now easier and better ways of updating than FTPing the files.


New Installations: Click here to download Joomla 2.5.1 (Full package) »

Update Package: Click here to download Joomla 2.5.1 (Update package) »

Note: Please read the update instructions before updating.


Want to test drive Joomla? Try the online demo or the Joomla JumpBox. Documentation is available for beginners.

Please note that you should always backup your site before upgrading.

Release Notes

Check the Joomla 2.5.1 Post-Release FAQs to see if there are important items and helpful hints discovered after the release.

Statistics for the 2.5.1 release period (24 January 2012 to 2 February 2012)

  • Joomla 2.5.1 contains:
    • 2 security issues fixed
    • 30 tracker issues fixed

Joomla 2.5.1 uses version 11.4 of the Joomlal Platform.

Security Issues Fixed

Tracker Issues Fixed

27842Batch processing brokenAdministration
27844Version Module for Admin to show Joomla version in Footer admin TemplateAdministration
27868Joomla 1.7.x batch processing allow move items to trashed categoriesAdministration
27893New version module interferes with license notice in HathorAdministration
27941Add warning/no warning icons on Database screenAdministration
27818Update 1.7 strings to 2.5Code Quality
27829$app variable can possibly not be set causing a PHP errorCode Quality
26986Batch processing of articles doesn't work for users with restricted rightsComponents
27581Basic Search contact search is brokenComponents
27700com_redirect redirects should use 301 redirect not 303Components
27872Error in Banner Track ClicksComponents
27886An unpublished linked contact leads to articles not being displayed.Components
27774Joomla on Windows Azure - Load time is slowDatabase
27890mod_menu invalid rendering of items of type alias and urlFront End
27887Extension Manager: Database does not fix update problemInstallation
27895Version Number Module Not Assigned to MenusInstallation
27916Path of home sub-menu items contain "News Feeds"Installation
27919Extension Manager: Database does not fix text filter problemInstallation
27920Update SQL query requires temp table permissionsInstallation
27880Please first make a selection from the lis't: Huge error on 40+ sitesJavascript
27905Upgrade MooTools to version 1.4.3Javascript
27929*Installing sample data and defining as site lang another lang then English breaks linksLanguages
27864User profile page does not HTML escape the user's nameLayouts
27873The related articles modules (mod_related_items) are not showingModules
27896mod_search head search link title not escapedModules
27662Can't update #__update_sites table at extension install on SQL ServerPlugins
27862Code error plgUserProfile line 188Plugins
27885TinyMCE settings in SQL don't reflect recent changes in options.SQL Files
27938labels missing for Smart Search / Finder module Templates


Joomla! Bug Squad

Thanks to the Joomla Bug Squad for their dedicated efforts investigating reports, fixing problems, and applying patches to Joomla. If you find a bug in Joomla, please report it on the Joomla! CMS Issue Tracker.

Active members of the Joomla Bug Squad during this last release cycle include: A Firoozmandan, Akarawuth Tamrareang, Alain Rivest, Andrea Tarr, Andrew Eddie, Ashwin Date, Bill Richardson, Brian Teeman, Chris Davenport, Christophe Demko, Denise McLaurin, Dennis Hermacki, Elin Waring, Emerson Rocha Luiz, Francisco Marzoa, Ian MacLennan, Jacob Waisner, Jacques Rentzke, James Brice, Janich Rasmussen, Jean-Marie Simonet, Jennifer Marriott, Jeremy Wilken, Kevin Griffiths, Loyd Headrick, Mark Dexter, Matt Thomas, Michael Babker, Mutuga Kigumi, Neil McNulty, Nikolai Plath, Ofer Cohen, Prasit Gebsaap, Rachmat Wakjaer, Rob Clayburn, Roland Dalmulder, Rouven Weßling, Rune Sjøen, Samuel Moffatt, Shaun Maunder, Sudhi Seshachala, Tim Plummer, Tom Fuller, Troy Hall, Viet Hoang Vu.

Bug Squad Leadership: Mark Dexter Coordinator; Elin Waring and Marijke Stuivenberg, Team Leaders.

Joomla! Security Strike Team

A big thanks to the Joomla! Security Strike Team for their ongoing work to keep Joomla secure. Members include: Airton Torres, Alan Langford, Bill Richardson, Elin Waring, Jason Kendall, Marijke Stuivenberg, Mark Dexter, Omar Ramos, Rouven Weßling, Samuel Moffatt.