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H-Sphere Cross Site Scripting Advisory Available in Danish  Advisory Available in German 

Secunia Advisory: SA9009  
Release Date: 2003-06-12

Critical:
Less critical
Impact: Cross Site Scripting
Where: From remote
Solution Status: Vendor Patch

Software:H-Sphere 2.x
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Description:
A vulnerability has been identified in H-Sphere which allows malicious people to conduct Cross Site Scripting.

The problem is that the "template_name" and "ftemplate" parameter isn't verified before it is returned to the user. When an invalid template is requested, the name of the template will be returned without further validation. This allows malicious people to conduct Cross Site Scripting.

Example:
/psoft.hsphere.CP?action=login&ftemplate=<evil_script>

Solution:
Use a firewall or proxy server with URL filtering capabilities to filter malicious requests.

Provided and/or discovered by:
Lorenzo Hernandez Garcia-Hierro


Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

8 Related Secunia Security Advisories

1. H-Sphere SiteStudio Unspecified Vulnerability
2. H-Sphere SiteStudio "template" Information Disclosure
3. H-Sphere Control Panel Insecure Permissions of Logfiles
4. H-Sphere Multiple Cross-Site Scripting Vulnerabilities
5. H-Sphere "login" Cross-Site Scripting Vulnerability
6. H-Sphere Exposure of User Credentials
7. SiteStudio and H-Sphere "name" Script Insertion Vulnerability
8. H-Sphere buffer overflow


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