TYPO3 T3blog Extension Cross Site Scripting Vulnerability

Bugtraq ID:	50190
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Oct 18 2011 12:00AM
Updated:	Oct 18 2011 12:00AM
Credit:	Georg Ringer
Vulnerable:	Typo3 T3Blog 1.1.1 Typo3 T3Blog 0.8 Typo3 T3Blog 0.6.2
Not Vulnerable:	Typo3 T3Blog 1.1.2

TYPO3 T3blog Extension Cross Site Scripting Vulnerability

T3blog extension for TYPO3 is prone to a cross-site scripting vulnerability because it fails to properly sanitize user-supplied input.

An attacker may leverage this issue to execute arbitrary HTML and script code in the browser of an unsuspecting user in the context of the affected site. This may let the attacker steal cookie-based authentication credentials and launch other attacks.

T3blog 1.1.1 is vulnerable; prior versions may also be affected.

TYPO3 T3blog Extension Cross Site Scripting Vulnerability

Attackers can exploit this issue by enticing an unsuspecting victim into following a malicious URI.

TYPO3 T3blog Extension Cross Site Scripting Vulnerability

Solution:
Vendor updates are available. Please see the references for more information.

TYPO3 T3blog Extension Cross Site Scripting Vulnerability

References:

• TYPO3 Homepage (TYPO3)
  
• TYPO3 Security Bulletin TYPO3-EXT-SA-2011-011: Cross-Site scripting vulnerabilit (Georg Ringer)