Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 290,294 coordinated disclosures
163,050 fixed vulnerabilities
232,477 websites, 17,748 VIP websites
7,732 researchers, 6,915 subscribers

rj01 | Security Researcher Profile


Security researcher rj01 has already helped fix 918 vulnerabilities.



Researcher reputation:  150

Real name:
Roy Jansen

About me:
Security Is An Illusion

How to contact me:
E: [email protected]
HackerOne: https://hackerone.com/rj01
Twitter: https://twitter.com/RoyJansen_01
LinkedIn: https://www.linkedin.com/in/royjansen01
Facebook: https://www.facebook.com/RoyJansen01

Alternative Contacts:
Twitter DM: https://twitter.com/RoyJansen_01

Certifications & Diplomas:
Certifications & Diplomas can be found here:- https://www.linkedin.com/in/royjansen01

Experience in Application Security
over 5 years

Award / Bug Bounty I prefer:
Bounty, Swag. Responsible Disclosure, its all about the Acknowledgment/Recognition. Understand that a security researcher/reporter does it all for you and your users 'online security'. We protect!

Halls of Fame:
Halls Of Fame can be found here:- https://www.linkedin.com/in/royjansen01

Follow me on:
Twitter
Facebook
LinkedIn

Recommendations and Acknowledgements

    28 August, 2018
     sinoderf Fred from Neckermann:
Roy has sent us, using the ISO 29147 guidelines, a very clear and actionable vulnerability report which made it easy to reproduce and fix the issue.
This was a good example of an ethical and coordinated responsible disclosure process.
Roy, thanks for the effort you put in to it.
    3 July, 2017
     TVblik TVblik from TVblik:
Roy send us vulnerability report by mail, with an
very clear explanation. So we could fix the vulnerability immediately! Beside that the mailcommunication with Roy is very pleasant. Thank you Roy!
    16 June, 2017
     cloudsplitter Russell Smith from AMA Multimedia:
Roy sent us a report about an XSS vulnerability that affected a large portion of our sites. He was really clear and detailed in his explanation of the problem. It was an easy fix but a very important one that was overlooked by us. Awesome job!
    2 February, 2017
     NIDHKU Emile Bijk from HKU:
Roy helps us to identify vulnerabilities in our online systems. Thanks to his notifications we are able to patch them.
    22 May, 2018
     aartvdwerf Aart from OI:
Thanks for letting us know about the XSS vulnerabilities. We appreciate the quick feedback.
    6 July, 2017
     StephanFreeman Stephan Freeman from Telegraph Media Group:
Roy contacted us about a couple of issues on our sites. He was very helpful and clear about the problems he found and we're grateful for the heads up.
    30 May, 2017
     wobblymusic Jon from Track-Blaster:
Roy found a pair of xss vulnerabilities on our website. Thanks to his concise reports, we were able to fix the issues immediately.
    15 May, 2017
     theodrick Theodric Young from WMBR-FM:
Roy found an XSS bug on our website. With his excellent report, we were able to fix the vulnerability. Thanks Roy!
    5 May, 2017
     NotyJoey1 Joe Oliveiro from VR Sumo:
You are amazing. Thanks for finding all these XSS issues on my site. It's greatly appreciated!
    16 April, 2017
     maartenmedia Maarten from AVEQ:
Thanks Roy for the great report and proof you have sent us!
We have fixen the XSS leak easily due to the great explanation from Roy!

Shows the first 10 recommendations. See all.

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Awards and Achievements


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

Research Statistics



Total reports:1752
Total reports on VIP sites:271
Total patched vulnerabilities:918
Total vulnerabilities on Hold (Open Bug Bounty):11
Recommendations received:13
Active since:15.11.2016
Top VIP Security Researcher Awards: Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week

Open Bug Bounty Certificate



Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
22.10.2018
On Hold
Open Redirect
22.10.2018
On Hold
Cross Site Scripting
22.10.2018
On Hold
Cross Site Scripting
17.10.2018
On Hold
Open Redirect
16.10.2018
On Hold
Cross Site Scripting
17.09.2018
On Hold
Cross Site Scripting
10.09.2018
On Hold
Cross Site Scripting
27.08.2018
On Hold
Cross Site Scripting
27.08.2018
On Hold
Open Redirect
21.08.2018
On Hold
Cross Site Scripting
21.08.2018
On Hold
Cross Site Scripting
06.08.2018
unpatched
Cross Site Scripting
06.08.2018
unpatched
Cross Site Scripting
06.08.2018
unpatched
Cross Site Scripting
06.08.2018
unpatched
Cross Site Scripting
06.07.2018
unpatched
Cross Site Scripting
04.07.2018
patched
Cross Site Scripting
02.07.2018
unpatched
Cross Site Scripting
27.06.2018
unpatched
Cross Site Scripting
27.06.2018
unpatched
Cross Site Scripting

  Latest Patched

      transfermarkt.com.tr
    Patched on 16.11.2018
      investagrams.com
    Patched on 16.11.2018
      roller.de
    Patched on 15.11.2018
      alfaconcursos.com.br
    Patched on 15.11.2018
      stern.de
    Patched on 15.11.2018
      valutakurser.dk
    Patched on 15.11.2018
      sberbank.ru
    Patched on 15.11.2018
      epson.co.uk
    Patched on 15.11.2018
      firstonetv.net
    Patched on 15.11.2018
      norwegian.com
    Patched on 15.11.2018

  Recent Recommendations

    16 November, 2018
     Honscha_Muenzen:
Thank you very much for your help!
    16 November, 2018
     mousepotatothet:
Thanks to your continuous support, sharing the security vulnerability, and keeping our cyber space secure.
    15 November, 2018
     corebox:
Thanks for responsibly reporting a security weakness on our website. We greatly appreciate you telling us about it.
    15 November, 2018
     corebox:
Thanks for responsibly reporting a security weakness on our website. We greatly appreciate you telling us about it.
    15 November, 2018
     corebox:
Thijs found a vulnerability on one of our websites and responsibly reported it. Many thanks for letting us know.