Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 367,527 coordinated disclosures
205,373 fixed vulnerabilities
501 bug bounties with 997 websites
9,994 researchers, 882 honor badges

rj01 | Security Researcher Profile


Security researcher rj01 has already helped fix 1014 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

Distinguished Blog Author

1 Post
3 Posts
5+ Posts

Research Statistics



Total reports:1761
Total reports on VIP sites:271
Total patched vulnerabilities:1014
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





No posts in blog yet


Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
10.01.2019
unpatched
Cross Site Scripting
07.01.2019
unpatched
Cross Site Scripting
07.01.2019
unpatched
Cross Site Scripting
07.01.2019
unpatched
Cross Site Scripting
07.01.2019
patched
Cross Site Scripting
07.01.2019
patched
Cross Site Scripting
07.01.2019
patched
Cross Site Scripting
03.12.2018
unpatched
Cross Site Scripting
03.12.2018
unpatched
Cross Site Scripting
22.10.2018
unpatched
Open Redirect
22.10.2018
patched
Cross Site Scripting
22.10.2018
patched
Cross Site Scripting
17.10.2018
patched
Open Redirect
16.10.2018
unpatched
Cross Site Scripting
17.09.2018
unpatched
Cross Site Scripting
10.09.2018
unpatched
Cross Site Scripting
27.08.2018
unpatched
Cross Site Scripting
27.08.2018
patched
Open Redirect
21.08.2018
unpatched
Cross Site Scripting
21.08.2018
unpatched
Cross Site Scripting

  Latest Patched

 19.05.2019 microfocus.com
 19.05.2019 exawarosu.net
 19.05.2019 ewha.ac.kr
 19.05.2019 medianewpagesearch.com
 19.05.2019 northumbria.ac.uk
 19.05.2019 zch-vip.com
 19.05.2019 suse.com
 19.05.2019 openclipart.org
 19.05.2019 ironman.com
 19.05.2019 tipsport.cz

  Latest Blog Posts

11.05.2019 by MAS00712
Footprinting and Reconnaissance with DIRB Tool (For Security Researcher and Bug Bounty Hunters)
01.05.2019 by Renzi25031469
1000's of default passwords on http://open-sez.me
01.05.2019 by Renzi25031469
Fuxploider - @almandin
01.05.2019 by Renzi25031469
Sysadminotaur
29.04.2019 by Open Bug Bounty
Enhanced ratings for bug bounties at Open Bug Bounty

  Recent Recommendations

    17 May, 2019
     derbarkeeper:
Thank you for reporting XSS vulnerability. Great work!
    17 May, 2019
     derbarkeeper:
Thanks k0t for reporting XSS vulnerability on our website!
    16 May, 2019
     randomthing4ev1:
Thanks again for telling us of a XSS vulnerability in a timely and responsible manner, so we could get it fixed.
    16 May, 2019
     biblegateway:
This person's report was accurate and allowed us to implement a fix quickly. Thank you!
    16 May, 2019
     Admeus:
Gh05tPT found a XSS vulnerability on our website, which was promptly resolve with his help. Really good communication and sympathy. Thanks