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XOOPS Multiple Cross-Site Scripting Vulnerabilities - Security Advisory - SOS-09-005
From: "Lists" <lists () senseofsecurity com au>
Date: Fri, 31 Jul 2009 15:53:48 +1000

XOOPS Multiple Cross-Site Scripting Vulnerabilities - Security Advisory - 
SOS-09-005

Release Date. 31-Jul-2009
Vendor Notification Date. 15-Jun-2009
Product. XOOPS
Platform. Independent
Affected versions. 2.3.3 (verified), possibly others
Severity Rating. Medium
Impact. Cookie/credential theft, impersonation, loss of confidentiality
Attack Vector. Remote
Solution Status. Vendor patch
CVE reference. Not yet assigned



Details.

XOOPS is a content management system written in PHP. During an application 
penetration test Sense of Security identified that Input passed to the "op" 
parameter of viewpmsg.php, and in the query string of user.php are 
vulnerable to Cross-Site Scripting vulnerabilities. This occurred as a 
result of the application not properly filtering HTML tags which allowed 
malicious JavaScript to be embedded. When input is incorrectly validated and 
not properly sanitised and then displayed in a web page, attackers can trick 
users into viewing the web page and causing malicious code to be executed.



Proof of Concept.

http://lP/xoops-2.3.3/htdocs/modules/pm/viewpmsg.php?op='";><script>alert('vulnerable')</script> 
<link id='

http://lP/xoops-2.3.3/htdocs/modules/profile/user.php?";><script>alert('vulnerable')</script>



Solution.

Vendor patch



Discovered by.

SOS Labs



About us.

Sense of Security is a leading provider of IT security and risk management 
solutions. Our team has expert skills in assessment and assurance, strategy 
and architecture, and deployment through to ongoing management. We are 
Australia's premier application security consultancy and trusted IT security 
advisor to many of the countries largest organisations.

Sense of Security Pty Ltd

Level 3, 66 King St
Sydney NSW 2000
AUSTRALIA


T: +61 (0)2 9290 4444
F: +61 (0)2 9290 4455
W: http://www.senseofsecurity.com.au
E: info () senseofsecurity com au



The latest version of this advisory can be found at:

http://www.senseofsecurity.com.au/advisories/SOS-09-005.pdf



Other Sense of Security advisories can be found at:

http://www.senseofsecurity.com.au/research/it-security-advisories.php



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