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Category:   Application (Forum/Board/Portal)  >   TYPO3 Vendors:   typo3.org
TYPO3 Input Validation Flaws in Backend User Interface Permit Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1021709
SecurityTracker URL:  http://securitytracker.com/id/1021709
CVE Reference:   CVE-2009-0816   (Links to External Site)
Updated:  Apr 27 2010
Original Entry Date:  Feb 12 2009
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.3.x, 3.5.x, 3.6.x, 3.7.x, 3.8.x, 4.0 to 4.0.11, 4.1.0 to 4.1.9, 4.2.0 to 4.2.5, 4.3alpha1
Description:   A vulnerability was reported in TYPO3. A remote user can conduct cross-site scripting attacks.

The Backend User Interface does not properly filter HTML code from user-supplied input before displaying the input. A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the TYPO3 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.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the TYPO3 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.
Solution:   The vendor has issue a fix (4.0.12, 4.1.10, 4.2.6).

The vendor's advisory is available at:

http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-002/

Vendor URL:  typo3.org/teams/security/security-bulletins/typo3-sa-2009-002/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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