Report a Vulnerability
Submit, help fixing, get kudos.
Start a Bug Bounty
Run your bounty program for free.
607,127 coordinated disclosures
390,892 fixed vulnerabilities
923 bug bounties with 1,850 websites
18,725 researchers, 1197 honor badges

rj01 | Security Researcher Profile


Security researcher rj01 has already helped fix 1018 vulnerabilities.



Researcher reputation:  160

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

@sinoderf     28 August, 2018
    Twitter 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.
@TVblik     3 July, 2017
    Twitter 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!
@cloudsplitter     16 June, 2017
    Twitter 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!
@NIDHKU     2 February, 2017
    Twitter 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.
@aartvdwerf     22 May, 2018
    Twitter aartvdwerf Aart from OI:
Thanks for letting us know about the XSS vulnerabilities. We appreciate the quick feedback.
@StephanFreeman     6 July, 2017
    Twitter 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.
@wobblymusic     30 May, 2017
    Twitter 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.
@theodrick     15 May, 2017
    Twitter 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!
@NotyJoey1     5 May, 2017
    Twitter NotyJoey1 Joe Oliveiro from VR Sumo:
You are amazing. Thanks for finding all these XSS issues on my site. It's greatly appreciated!
@maartenmedia     16 April, 2017
    Twitter 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.

Please login via Twitter to add a recommendation

Honor Badges


Number of Secured Websites

10+ Secured Websites Badge
50+ Secured Websites Badge
500+ Secured Websites Badge
Web Security Veteran Badge
10+ Websites
50+ Websites
500+ Websites
WEB SECURITY VETERAN
1000+ Websites

Advanced Security Research

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

Outstanding Achievements

Secured OBB Badge
OBB Advocate Badge
Improved OBB Badge
Secured OBB
OBB Advocate
Improved OBB

Commitment to Remediate and Patch

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

Recommendations and Recognition

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

Distinguished Blog Author

Distinguished Blog Author Badge
Distinguished Blog Author Badge
Distinguished Blog Author Badge
1 Post
3 Posts
5+ Posts

Research Statistics



Total reports:1772
Total reports on VIP sites:275
Total patched vulnerabilities:1018
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


Researcher Certificate



No posts in blog yet


Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
30.08.2019
unpatched
Cross Site Scripting
27.08.2019
unpatched
Cross Site Scripting
27.08.2019
unpatched
Cross Site Scripting
27.08.2019
patched
Cross Site Scripting
22.08.2019
unpatched
Cross Site Scripting
22.08.2019
unpatched
Cross Site Scripting
22.08.2019
unpatched
Cross Site Scripting
22.08.2019
unpatched
Cross Site Scripting
22.08.2019
unpatched
Cross Site Scripting
19.08.2019
patched
Cross Site Scripting
08.08.2019
unpatched
Cross Site Scripting
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

  Latest Patched

 23.10.2020 untappd.com
 23.10.2020 petmd.com
 23.10.2020 dafont.com
 23.10.2020 skylum.com
 23.10.2020 mtcom.ws
 23.10.2020 ibtimes.com
 23.10.2020 goo-net.com
 22.10.2020 totaljobs.com
 22.10.2020 gamesindustry.biz

  Latest Blog Posts

05.10.2020 by _r00t1ng_
Steal IP Address using Image
05.10.2020 by _r00t1ng_
DDOS Using SQL injection (SiDDOS)
05.10.2020 by _r00t1ng_
XSS Injection with SQLi
14.09.2020 by aninda_anon
VPS Cheatsheet for bug hunting
14.09.2020 by pk_12397
A Story of IDOR To Account Takeover

  Recent Recommendations

@mako_o9999     23 October, 2020
    Twitter mako_o9999:
Gdattacker found a XSS problem on one of our websites and reported to us. We were able to solve the problem quickly. Thank you so much!
@BizzdoD     21 October, 2020
    Twitter BizzdoD:
Many thanks to Sithu for bringing a XSS vulnerability on our site to our attention. He was very courteous in communications and helped verify that our patch solved the problem properly. Thank you Sir for helping making the Internet a safer place.
@vadus     19 October, 2020
    Twitter vadus:
Warbid helped disclose several vulnerabilities on our website. With his help, we were able to patch this issue and close up the vulnerability. Thank you very much for your help, and thank you for helping to make the web a safer place.
@pagel     18 October, 2020
    Twitter pagel:
Many thanks to cyberaz0r for pointing out a css vulnerability on our site. He was very pleasant to deal with and shared his knowledge openly.
@amswebs     16 October, 2020
    Twitter amswebs:
Thank you for your help with this XSS vulnerability. We appreciate the responsible reporting via openbugbounty.