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Showing posts with label Beebox. Show all posts
Showing posts with label Beebox. Show all posts

Friday, December 30, 2016

[High] HTML Injection - Stored (Blog)

[High] HTML Injection - Stored (Blog)


# Introduction

BWAPP → High → HTML Injection - Stored (blog)




# Training

: I put the value I used in the low step, As a result, output is as follows.



I check at /var/www/bWAPP/htmli_stored.php to see how it works.



I check functions_external.php to see the xss_check_3 function.


The htmlspecialchars function has been mentioned previously, so it is omitted.






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Monday, December 26, 2016

[low] HTML Injection - Stored (Blog)

[low] HTML Injection - Stored (Blog)


# Introduction

BWAPP → Low→ HTML Injection - Stored (blog)



# Training

: The ''htmli_stored.php'' page is a  blog format.


Therefore, It is possible to save HTML tags so that the administrator can output unintended contents. Or When type in the text field on the blog and click [Go], Transfer the input and move to another page. 

The contents of the exercise are as follows.
 : Moving from htmli_stored.php to htmli_post.php using a text field.

First, copy the page format from htmli_post.php to use the htmli_post.php page format.



When fetching page formates, It's easy to import using the web developer tools in browser.


Put this code in the textfield and click [submint] to add it.




When user enter data in both fields and press [Go], the user moves to the page.




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Friday, December 23, 2016

[Medium] HTML Injection - Reflected (POST)

[Medium] HTML Injection - Reflected (POST)


# Introduction

 :BWAPP → Medium→ HTML Injection - reflected (POST)


# Training

 :As before, I did the exercises without reference to the source code. When I input the value used in the previous step, It will be output as plain text as follows.


So, I checked the input values to the server using the buff suite.


I found that the value passed to the server is encoded( <, > encoded to %3C, %3E).If I input this values, I thought that the specific function of html_post.php encode it once and pass it to the server. If I visualize what I think, it is as follows.


When I input the value, It was passed to the server as follows.


When I forward values, I could use the html tags.



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