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Thursday, December 22, 2016

[medium] HTML Injection - Reflected (GET)


# Introduction.

BWAPP → Medium→ HTML Injection - reflected (GET)



# Training

: If we enter the input value in the middle step like the low step, the output is as follows.

















I wondered why this is so I checked the source code. The source code is located in /var/www/bWAPP. The contents of the source code are as follows.


I could see that the function xss_check_1 is used at the medium level. The xss_check_1 could be found in functions_external.php.


I could see that < & > convert to another character. Therefore, I typed URL encoding of the character used in the tag. 
  • %3Ch1%3ESuccess%3C%2Fh1%3E
  • %3Cimg src=http://192.168.10.119/bWAPP/images/bee_1.png%3E


The results were as follows.




QuickEdit
Unknown
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