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Date: Wed Jan 11 2012 - 04:50:25 CST
Advisory ID: HTB23065
Product: KnowledgeTree Commercial and Community Editions
Vendor: KnowledgeTree Inc. ( http://knowledgetree.org )
Vulnerable Version: 126.96.36.199 and probably prior
Tested Version: 188.8.131.52
Vendor Notification: 21 December 2011
Vendor Patch: 23 December 2011
Vulnerability Type: XSS
Status: Fixed by Vendor
Risk Level: Medium
Credit: High-Tech Bridge SA Security Research Lab ( https://www.htbridge.ch/advisory/ )
High-Tech Bridge SA Security Research Lab has discovered multiple vulnerabilities in KnowledgeTree Community Edition, which can be exploited to perform cross-site scripting attacks.
Input appended to the URL after multiple files is not properly sanitised before being returned to the user.
This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site
The following PoC code is available:
Successful exploitation of this vulnerabilities requires that Apache's directive "AcceptPathInfo" is set to "on" or "default" (default value is "default").
Apply Vendor patch:
Disclaimer: Details of this Advisory may be updated in order to provide as accurate information as possible. The latest version of the Advisory is available on the web page in Reference field.