How do I prevent XSS attack at JSP HTML form?

There are three easy ways.

To implement the HTML escape at the entire application level, add the following at the web.xml.

<context-param>
    <param-name>defaultHtmlEscape</param-name>
    <param-value>true</param-value>
</context-param>

For all forms on a given JSP page,

<spring:htmlEscape defaultHtmlEscape="true" /> 

For each form:

<form:input path="formFieldName" htmlEscape="true" /> 

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