Jsp include file parameter

He is not the only author to get this wrong. The first edition of Pro JSP confused me in this respect, and the 2nd edition has fixed this mistake by rewriting the entire chapter. It's the other include page directive that will include static text. You will see that by alternately requesting UsingPage.

Proof that the action tag is the dynamic one. I should include a clarification on this topic, it is quite confusing for the un-initiated. That is: the included file can also be a JSP. But I consider the directive include to be 'static' in nature, because it is done once only When the action include is used, this is a dynamic inclusion in all senses of that word. The included file can again be static or dynamic The situation is that I'm iterating through a collection of objects and outputting html accordingly.

Code will help. I know I can't use a nested param tag because they're only for string parameters. So am I into custom tag territory? That seems overkill for just writing a bit of text. I also don't want to inline the markup from the included file as that defeats the purpose of separating it out in the first place. Can't help but feel I'm missing something straightforward with this one. Any pointers gratefully received.

Bear Bibeault. I like On further inspection I see some red flags. If a strong method of input validation, such as a whitelist, cannot be used, then rely upon input filtering or validation of the passed-in path to make sure it does not contain unintended characters and character patterns.

However, this may require anticipating all possible problematic character combinations. Although a Server Side Include is uncommon and not typically enabled on a default web server, it can be used to gain remote code execution on a vulnerable web server.

The above code is not an XSS vulnerability, but rather including a new file to be executed by the server. As mentioned, input sanitization and proper file management practices are almost never sufficient on their own, even if they effectively minimize the risk of File Inclusion.

This is important, as many attacks succeed as a result of a false sense of security, which is encouraged by DIY practices. In terms of reporting, a diff-like view is provided, highlighting what the engine did to exploit the vulnerability, like in the Local File Inclusion below:. Nexploit indicates the original part in red, with the green part representing what was added by the tool. You can start testing for File Inclusion vulnerabilities today with Nexploit.

What is Snyk? Snyk is an application security testing tool that lets you identify and remediate vulnerabilities in open source components, proprietary source code, containers,. What is Pentesting and what are Pentesting tools? The goal of pentesting penetration testing is to detect security vulnerabilities by utilizing specific processes, tools and. What is an XSS Attack? A cross-site scripting XSS attack injects malicious code into vulnerable web applications.

XSS does not target the application directly. Back to Blog. File Inclusion Vulnerabilities: What are they and how do they work? Admir Dizdar. June 22, Share on facebook. Share on twitter.