Infosec Institute

Open Bug Bounty mentioned in the
Top 6 Bug Bounty programs of
2022 by the InfoSec Institute

The Hacker News

Open Bug Bounty named among the
Top 5 Bug Bounty programs of 2021
by The Hacker News

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1,702,924 coordinated disclosures
1,382,530 fixed vulnerabilities
1,989 bug bounty programs, 3,917 websites
46,829 researchers, 1,651 honor badges

k0tTop-50 VIP Open Redirect Reporter Top Security Researcher of the Month | Security Researcher Profile


Security researcher k0t has already helped fix 4437 vulnerabilities.



Researcher reputation:  2420

About me:
Penetration tester & webdev.

Contact email:
[email protected]

Experience in Application Security
over 5 years

Award / Bug Bounty I prefer:
Bug Bounty Payment, Gift Card, T-Shirts.

Recommendations and Acknowledgements

@PaulKLeasure1     22 June, 2020
    Twitter PaulKLeasure1 PKLeasure from PKLeasure:
Ser found SQL injection vulnerability issues on one of the sites I work. Ser specified the issue by documenting with excellent clarity and provided the details needed to resolve the issue swiftly. Thank you Ser!
@VICTOR__Europe     25 May, 2020
    Twitter VICTOR__Europe Frank from VICTOR Europe GmbH:
Thank you for helping us to fix the critical SQL injection.
Friendly contact, thanks for the effort.
@Maik_U2     13 May, 2020
    Twitter Maik_U2 Maik from U2tour:
Thank you for finding SQLi and XSS bugs on our site. Great Work!
Thanks for making the web a securer place.
@MrMoney84315336     26 July, 2022
    Twitter MrMoney84315336 Jens Weck from Mr-Money Software GmbH:
Thank you to @k0t for reporting and providing prompt and courteous details on our website, leading to a quick and pain free resolution. Keep up the good work.
@bjdean     17 November, 2021
    Twitter bjdean bjdean from HomeCo:
Very helpful and responsive to questions. Thanks for the report.
@unruly_infra     8 November, 2021
    Twitter unruly_infra Yannick from Unruly:
Many thanks for discovering this issue, this is appreciated!
@HkuLibtss     31 October, 2021
    Twitter HkuLibtss wind from wind:
Thank you for reporting the vulnerability! We appreciate your help.
@VitaliyKolosWDL     6 September, 2021
    Twitter VitaliyKolosWDL Vitaliy from WDL:
K0t found vulnerabilities on our website and we were able to fix them quickly. Thanks for your help!
@jcrms     26 August, 2021
    Twitter jcrms Jean Cremers from planetdance:
Many thanks to k0t for identifying multiple vulnarabilities on my site.
@LOVD     8 July, 2021
    Twitter LOVD Ivo Fokkema from LOVD:
K0t has successfully identified a new XSS vulnerability on our website and reported it so we could fix it.

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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:6413
Total reports on VIP sites:1096
Total patched vulnerabilities:4437
Recommendations received:130
Active since:05.05.2016
Top VIP Security Researcher Awards: Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week

Reported Vulnerabilities

All Submissions VIP Submissions




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  Latest Patched

 19.04.2024 mlsi.gov.cy
 18.04.2024 recycleright.sa.gov.au
 17.04.2024 maps.bolton.gov.uk
 16.04.2024 fishwatch.gov
 16.04.2024 renewableenergy.gov.bd
 13.04.2024 lit.am
 13.04.2024 overnewton.vic.edu.au

  Latest Blog Posts

04.12.2023 by BAx99x
Unmasking the Power of Cross-Site Scripting (XSS): Types, Exploitation, Detection, and Tools
04.12.2023 by a13h1_
$1120: ATO Bug in Twitter’s
04.12.2023 by ClumsyLulz
How I found a Zero Day in W3 Schools
04.12.2023 by 24bkdoor
Hack the Web like a Pirate: Identifying Vulnerabilities with Style
04.12.2023 by 24bkdoor
Navigating the Bounty Seas with Open Bug Bounty

  Recent Recommendations

    10 April, 2024
    Mars:
Hatim uncovered a XSS bug that we were able to quickly resolve. Thanks very much for your assistance and help.
    8 April, 2024
    Panthermedia:
Thanks to the support of Hatim Chabik, we were able to identify and solve an XSS bug.
    5 April, 2024
    pubpharm:
Pooja found a XSS vulnerability on our website and provided us with the needed Information for replication and fixing the issue. Which she verified afterwards.
We thank her for the reporting and assistance.
    2 April, 2024
    genoverband:
Thank you for your invaluable help in ensuring the security of our domain and its visitors!
    20 March, 2024
    TechVitaverdura:
Great exchanges with this person, thank you for your help and your report