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August 29, 2015 14:21
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XSS injection inside of a tag (UNSAFE code, use with caution and remember to shut down the server!)
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| package main | |
| import ( | |
| "fmt" | |
| "net/http" | |
| "net/url" | |
| ) | |
| func main() { | |
| http.HandleFunc("/", badHandler) | |
| http.ListenAndServe(":8184", nil) | |
| } | |
| // Purposedly unsafe!! DO NOT USE in any setting where it can lead to a compromise! | |
| func badHandler(w http.ResponseWriter, r *http.Request) { | |
| w.Header().Set("Content-type", "text/html; charset=utf-8") | |
| unsafe, _ := url.QueryUnescape(r.RequestURI) | |
| fmt.Fprintf(w, "<!doctype html>\n<B>URL: %s</B>", unsafe) | |
| } |
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