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MyBB Avatar / Attachment Script Insertion Vulnerability
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Secunia Advisory:
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SA21645
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Release Date:
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2006-08-28
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Last Update:
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2006-09-05
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Popularity:
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8,934 views
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Critical:
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Less 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: | MyBB (formerly MyBulletinBoard) 1.x
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| CVE reference: | CVE-2006-4449
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Description:
Redworm has discovered a vulnerability in MyBB, which can be exploited by malicious people to conduct script insertion attacks.
Input passed in uploaded attachments and avatars isn't properly verified before being used. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site when a specially crafted image is viewed directly in the Microsoft Internet Explorer browser.
The vulnerability has been confirmed in version 1.1.7. Other versions may also be affected.
Solution:
Update to version 1.1.8.
http://www.mybboard.com/downloads.php
Provided and/or discovered by:
Redworm
Changelog:
2006-08-31: Updated "Solution" section.
2006-09-05: Added CVE reference.
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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