rgod has discovered a vulnerability in Unclassified NewsBoard, which can be exploited by malicious people to conduct script insertion attacks.
Input passed to the "Description" field when posting a message isn't properly sanitised before being used. This can be exploited to inject arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when the malicious post is viewed.
The vulnerability has been confirmed in version 1.5.3. Other versions may also be affected.
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