Phpclanwebsite contains a flaw that allows a remote cross site scripting attack. This flaw exists because the application does not validate the 'par' and 'poll_id' variables upon submission to the 'index.php' script, and will call the 'pollresults.php' script without validating these variables. This could allow a user to create a specially crafted URL that would execute arbitrary code in a user's browser within the trust relationship between the browser and the server, leading to a loss of integrity.

Currently, there are no known workarounds or upgrades to correct this issue. However, Phpclanwebsite has released a patch to address this vulnerability.

• Bugtraq ID: 16391
• Secunia Advisory ID: 18597
• CVE ID: 2006-0444 (see also: NVD)
• Related OSVDB ID: 22720 22721
• VUPEN Advisory: ADV-2006-0342
• Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2006-01/0422.html
• Other Advisory URL: http://www.h4cky0u.org/advisories/HYSA-2006-002-phpclan.txt
• Vendor URL: http://www.phpclanwebsite.com/
• Vendor Specific Solution URL: http://www.phpclanwebsite.com/index.php?page=downloads&func=dl_file&par=175&cookie=true
• Keyword: HYSA-2006-002 h4cky0u.org Advisory 011

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