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Description
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High-Tech Bridge SA has discovered two vulnerabilities in Kasseler CMS, which can be exploited by malicious users to conduct script insertion attacks and by malicious people to conduct cross-site request forgery attacks.
1) Input passed via the "cat" POST parameter to admin.php (when "do" is set to "admin_new_category") is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when the malicious data is being viewed.
Successful exploitation of this vulnerability requires privileges to create new categories.
2) The application allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to e.g. conduct SQL injection attacks by tricking a logged in administrator into visiting a malicious web site.
The vulnerabilities are confirmed in version 2 r1223. Other versions may also be affected.
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