Xss download file

Learn more. Asked 3 years, 2 months ago. Active 2 years, 11 months ago. Viewed 2k times. How can i verify the vulnerability existence? And what is the right way to solve this security issue? Improve this question. EdiAm EdiAm 11 5 5 bronze badges. It sounds like a lint-kind of warning that could probably be ignored. Firstly it's important to note that persistent XSS attacks require a means of storage. This means that you would need to have a database or alternative methods of storing input, which would then reflect said input onto the page.

Seems like a false positive from your description. Add a comment. Active Oldest Votes. This is right if we have the view without your explaination.

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Building intelligent escalation chains for modern SRE. Podcast Who is building clouds for the independent developer? Featured on Meta. We have injected our Java Script payload into the image. We can find the output file in the script directory. There will also see a HTML script template of your gif or bmp generated inside the script directory.

If we take a look inside the generated HTML script you will be able to see a template generated for use with the injected image. You should now be able to see a Java script alert notification within your browser prompting you to download a file. Now lets imagine that we could exploit XSS with an image?.

Can we insert it as a comment? The results could be devastating. In this tutorial we used a non-malicious download file called Putty to use as an example. If a hacker was to include a download location to a malicious Malware or Virus an attacker could then carry out further attacks. I will be using a XSS Payload to force a user to download a file from an external location. Example of Java Script Payload. Run apache2 services using the following command.

Now open up a new browser and run the HTML page.