Is it possible to make XSS attacks through html comments with JSP code inside?

Posted by Dmitriy Matveev on Stack Overflow See other posts from Stack Overflow or by Dmitriy Matveev
Published on 2010-05-06T09:22:31Z Indexed on 2010/05/06 9:28 UTC
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jsp

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html

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security

Hello! Is it true that following code adds a XSS vulnerability to some JPS page?

<!--    <%=paramName%>=<%=request.getParameter(paramName)%><BR>  -->

It looks like a "leftover debug" and definitely should be removed from the code, but how dangerous is it?

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