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Category:   Application (Forum/Board/Portal)  >   Joomla! Vendors:   joomla.org
Joomla! Bugs Permit Cross-Site Scripting Attacks and Let Remote Users Determine the Installation Path
SecurityTracker Alert ID:  1022498
SecurityTracker URL:  http://securitytracker.com/id/1022498
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Jul 2 2009
Impact:   Disclosure of authentication information, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.5 - 1.5.11
Description:   Several vulnerabilities were reported in Joomla!. A remote user can conduct cross-site scripting attacks. A remote user can determine the installation path.

The software does not properly filter HTML code from user-supplied input before displaying the input. A remote user can create a specially crafted URL that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Joomla! software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

The PHP_SELF parameter is affected. The HTTP_REFERER parameter is affected.

Some files do not check for JEXEC. A remote user can access those files to determine the installation path.

Paul Boekholt (Byte Internet) and Juan Galiana Lara (Internet Security Auditors) each reported a cross-site scripting vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Joomla! software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

A remote user can determine the installation path.

Solution:   The vendor has issued a fix (1.5.12).

The vendor's advisory is available at:

http://www.joomla.org/announcements/release-news/5242-joomla-1512-released.html

Vendor URL:  www.joomla.org/announcements/release-news/5242-joomla-1512-released.html (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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