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534,663 coordinated disclosures
334,572 fixed vulnerabilities
786 bug bounties with 1,554 websites
15,996 researchers, 1101 honor badges

Renzi Top VIP Security Researcher of the Month | Security Researcher Profile


Security researcher Renzi has already helped fix 6742 vulnerabilities.



Researcher reputation:  530

Real name:
Felipe Gabriel Renzi

About me:
-> Cyber Security Analyst and Security Researcher (Brazil).
-> We can make Web a Safer Place.

How to contact me:
-> E-mail: [email protected]
-> Contact me as soon as possible to protect your web application!

Certifications & Diplomas:
-> Forest Engineering - UNESP
-> Information Security - SENAC

Experience in Application Security
over 5 years

Award / Bug Bounty I prefer:
-> Bounty Payment (PayPal).
-> Public Recognition & thanks (Here).
-> Swag (T-shirt, stickers, cups).
-> Job Offer (Pentest or Vulnerability Assessment).
-> Vouchers (eg. Amazon Brazil)

Halls of Fame:
SoundCloud, Western Union, Alibaba, T-mobile, Telefonica, Huawei, Skyscanner and Jet.

Follow me on:
Twitter

Recommendations and Acknowledgements

    24 September, 2019
     ukegawa ukegawa from kurogo:
Thank you for the report! We appreciate it.
    2 May, 2019
     AndyTrier Andreas from Trier-Saarburg:
Felipe found a XSS flaw in one of our web pages, and kindly told us about it so that we could address it. We'd like to thank Felipe for his prompt and professional disclosure.
    30 April, 2019
     KoegelGmbH Daniel from Kögel:
Felipe kindly pointed out an XSS problem to us. Thanks to his support, we were able to solve the problem quickly.
Thank you very much Felipe, your help is highly appreciated!
    25 April, 2019
     artinberlin Christoph Thomessen from Kuag:
Felipe fand einen XSS Fehler in einer unserer Web-Seiten und gab uns Tipps für ein sicheres Internet. Vielen Dank.
    23 April, 2019
     buerofuenf Jens from Büro 5 GmbH:
Felipe found a XSS security vulnerability in one of our customers site. We fixed it accordingly. He was very fast in answering and very supportive. Thank you very much, your help is highly appreciated! We will keep you in mind for future security checks on other websites.
    15 April, 2019
     matthias_lueck Matthias Lück from Brinkmann Audio:
Felipe found a vulnerability in our website , which we were able to fix with Felipes detailed report. He was very responsive and professional. Highly recommended!
Thank you very much Felipe!
    22 January, 2019
     Majestic Philip Aggrey from Majestic:
Following Felipe's disclosure, we have now fixed the Reflected Cross-Site Scripting web vulnerability you discovered in our "www.majestic12.co.uk" web-application. We'd like to thank Felipe for his prompt and professional disclosure.
    22 January, 2019
     DJB31st Dave Beaumont :
Found a xss issue, quickly emailed with the affected pages and links to aid resolving. Many thanks
    2 November, 2018
     jddimarco John DiMarco from University of Toronto Computer Science Dept:
Felipe found a XSS flaw in one of our researchers' web pages, and kindly told us about it so that we could address it. Thank you, Felipe.
    2 October, 2019
     ToshiharuKuroy1 Kuroyanagi :
Thanks to Felipe's advice, we could fix potential XSS threat.
And we appreciate his very kind and proffesional support.
Thanks a lot.

Shows the first 10 recommendations. See all.

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Honor Badges


Number of Secured Websites

10+ Websites
50+ Websites
500+ Websites
WEB SECURITY VETERAN
1000+ Websites

Advanced Security Research

WAF Bypasser
CSRF Master
30+ Reports
AppSec Logic Master
30+ Reports
Fastest Fix
Fix in 24 hours

Outstanding Achievements

Secured OBB
OBB Advocate
Improved OBB

Commitment to Remediate and Patch

Patch Master
55% Patched
Patch Guru
65% Patched
Patch Lord
75% Patched

Recommendations and Recognition

REPUTABLE
10+ Recommends
FAMOUS
25+ Recommends
GLOBALLY TRUSTED
50+ Recommends

Distinguished Blog Author

1 Post
3 Posts
5+ Posts

Research Statistics



Total reports:14685
Total reports on VIP sites:18
Total patched vulnerabilities:6742
Recommendations received:36
Active since:31.05.2018
Top Security Researcher Awards: Top Security Researcher of the Month

Open Bug Bounty Certificate



01.10.2019  #Security 100%

13.08.2019  XSSCon - XSS Tool @Kitploit

Powerfull Simple XSSScanner made with python 3.7

Download: https://github.com/menkrep1337/XSSCon

Reference: https://www.kitploit.com

01.05.2019  1000's of default passwords on http://open-sez.me

01.05.2019  Fuxploider - @almandin

" Fuxploider is an open source penetration testing tool that automates the process of detecting and exploiting file upload forms flaws. This tool is able to detect the file types allowed to be uploaded and is able to detect which technique will work best to upload web shells or any malicious file on the desired web server. "

01.05.2019  Sysadminotaur


Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
10.09.2019
unpatched
Cross Site Scripting
10.09.2019
patched
Cross Site Scripting
10.09.2019
patched
Cross Site Scripting
10.09.2019
patched
Cross Site Scripting
10.09.2019
patched
Cross Site Scripting
10.09.2019
patched
Cross Site Scripting
10.09.2019
patched
Cross Site Scripting
10.09.2019
patched
Cross Site Scripting
10.09.2019
patched
Cross Site Scripting
10.09.2019
patched
Cross Site Scripting
10.09.2019
patched
Cross Site Scripting
10.09.2019
patched
Cross Site Scripting
10.09.2019
unpatched
Cross Site Scripting
10.09.2019
unpatched
Cross Site Scripting
10.09.2019
unpatched
Cross Site Scripting
10.09.2019
unpatched
Cross Site Scripting
10.09.2019
patched
Cross Site Scripting
10.09.2019
patched
Cross Site Scripting
10.09.2019
patched
Cross Site Scripting
10.09.2019
unpatched
Cross Site Scripting

  Latest Patched

 01.06.2020 fullkade.com
 01.06.2020 gamemodding.com
 01.06.2020 iienstitu.com
 01.06.2020 ac-grenoble.fr
 01.06.2020 viewbug.com
 31.05.2020 karaoke-version.com
 31.05.2020 takaratomy.co.jp
 31.05.2020 douniamp3.co
 31.05.2020 topcoder.com
 31.05.2020 zoom.com.br

  Latest Blog Posts

04.04.2020 by Rando02355205
(Alibaba) message.alibaba.com [IDOR] - [Bug Bounty]
12.03.2020 by Rando02355205
(Paypal) www.paypal.com [CSP High Level] - [XSS Reflected] - [Bug Bounty] - [Write Up]
08.03.2020 by CybeReports
JDECO.net XSS Vulnerability| CybeReports
29.02.2020 by Rando02355205
(Google) groups.google.com - [Stored XSS] - [Bug Bounty] - [WriteUp] - [24/02/2020]
10.02.2020 by 0xrocky
Stored XSS on h2biz.net

  Recent Recommendations

    1 June, 2020
     atau10614405:
Thanks Aaryan for reporting the vulnerability about xxs.
We will soon fix the problem
    31 May, 2020
     nidapo5:
Brilliant detection of two devious vulnerabilities, with clear explanations which meant I was able to fix both of them very quickly. Many many thanks
    28 May, 2020
     georgekgk:
Thank you Daniel for helping us to find and fix that security issue!
    28 May, 2020
     PaulKLeasure1:
Thank you ChaitanyaM43! I appreciate you discovering the XXS vulnerability. You responded quickly with the information needed for me to address the issue.
    27 May, 2020
     pastposters:
Thanks for the heads up about the XSS on my site,
And the explanation of what it all means and the implications it could have.
All fixed.
Many Thanks