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Resolve XSS vulnerability #102

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Resolve XSS vulnerability #102

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zanothis
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@zanothis zanothis commented Oct 14, 2021 •
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Fixes #43, #96

@zanothis zanothis changed the title sec(handlersUtil.js): Fix #43, #96 Resolve XSS vulnerability Oct 14, 2021
@softvar
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softvar commented Dec 9, 2021

Hey @zanothis ,
Thanks for your contribution.

Could you please explain the changes and how they solve the XSS vulnerability?

@zanothis
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zanothis commented Dec 9, 2021

#43 & #96 were caused because the file names started with a " which allows for constructing a filename like "><iframe src="...">.png resulting in an iframe being injected into the page. By using encodeURIComponent, the filename is transformed into a safe string to be injected into the download attribute.

@PedroHase
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@softvar any news on this? Or has the vulnerability been fixed somewhere else?

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XSS vuln
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@zanothis @softvar @PedroHase @nebenjamin