Raphael Huck has discovered some vulnerabilities in WikiNi, which can be exploited by malicious people to conduct script insertion attacks.
Input when editing a page or posting a comment 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 malicious data is viewed.
Successful exploitation requires privileges to edit a page or post a comment.
The vulnerabilities have been confirmed in version 0.4.3. Other versions may also be affected.
Solution: Grant only trusted users access to the application.
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Subject: WikiNi Script Insertion Vulnerabilities
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