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PHP-Fusion Nested BBcode "url" Script Insertion Vulnerability
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Secunia Advisory:
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SA16632
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Release Date:
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2005-08-30
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Last Update:
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2005-10-03
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Popularity:
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6,401 views
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Critical:
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Moderately critical
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Impact:
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Cross Site Scripting
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | PHP-Fusion 6.x
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Description:
slacker4ever_1 has discovered a vulnerability in PHP-Fusion, which can be exploited by malicious people to conduct script insertion attacks.
Input passed in nested "url" BBcode tags isn't properly sanitised before being used in a post. This can be exploited to inject arbitrary script code, which is executed in a user's browser session in context of an affected site when the malicious post is viewed.
Example:
text[url=[url= onmouseover=[code];//]][/url][/url]
The vulnerability has been confirmed in version 6.00.107. Other versions may also be affected.
Solution:
Apply patch.
http://www.php-fusion.co.uk/news.php?readmore=251
Provided and/or discovered by:
slacker4ever_1
Changelog:
2005-10-03: Updated "Solution" section.
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