Bug Hunting - Cross Site Scripting (XSS) Vulnerability Found On SteemMakers

in #utopian-io4 years ago

Project Information

Expected behavior

Defending the Cross Site Scripting (XSS) Attack

Actual behavior

SteemMakers is vulnerable to Cross Site Scripting (XSS) attacks.

How to reproduce

   I checked Cross site scripting (CSS-XSS) vulnerability on SteemMakers. One of these experiments reflected a cookie on the screen. It is not good that such important vulnerability was present on SteemMakers.

   Cross site scripting (CSS-XSS) is a high priority vulnerability that allows an attacker to send malicious code (usually in the form of Javascript) to another user. XSS – CSS , takes part at OWASP PHP security vulnerability TOP 5 list. SteemMakers is vulnerable to Cross Site Scripting injection vulnerability. Malicious users may gather data with use this vulnerability. Malicious users may inject JavaScript, VBScript, ActiveX, HTML or Flash into a vulnerable application to gather data from them.

  • You can reflect the XSS cookie to the screen using the following code:

https://www.steemmakers.com/?limit='"()<ScRiPt >alert('!!! XSS Vulnerability Found by emirfirlar !!!')</ScRiPt>

  • Browser/App version: Firefox Quantum 60.0.1 (32-bit)
  • Operating system: Windows 7 professional SP1 (32 bit) Intel Core 2 Duo 2.13 Ghz , 4 gb RAM

Recording Of The Bug

  • You can see the XSS Cookie Gif's below:

  • You can see the XSS Cookie in the video in detail below:

  • You can see the Xss detail in source below

Ekran Alıntısı.JPG

GitHub Account



Hi, thank you for contributing to Steemit!

I upvoted and followed you; follow back and we can help each other succeed :)

P.S.: https://steemit.com/life/@jherry1221/mewkit-new-malware-drains-ethereum-wallets-automatically

Hi , it can be confirmed as an xss , but just a self -xss ,which is caused by not filter some secure factors when get user input .
It seems you quite like doing some research in XSS hacking . Keep going .

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Thank you for informing. Web site safety is important. I think we can help to site owners by reporting security vulnerabilities. This is the best way to block malicious users.

Thanks man. I will look into it!

Thank you @jefpatat If we can block malicious users we will all be safe. Thank you for your interest.

Thank you for your botting
Though l am not good at English,
Iread your essay.
I started to think about the importance of seccurity

I'm glad you like it. thank you

Hey @emirfirlar
Thanks for contributing on Utopian.
We’re already looking forward to your next contribution!

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