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541,679 coordinated disclosures
348,473 fixed vulnerabilities
816 bug bounties with 1,594 websites
16,709 researchers, 1133 honor badges

k0t Top Security Researcher of the Month | Security Researcher Profile


Security researcher k0t has already helped fix 2146 vulnerabilities.



Researcher reputation:  1850

About me:
Penetration tester & webdev.

How to contact me:
[email protected]

Experience in Application Security
over 5 years

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

Recommendations and Acknowledgements

    27 June, 2020
     vmarci21 Marton :
Thank you for reporting the vulnerability!
Your report help us to improve our page security.
We are really appreciated your work.
    22 June, 2020
     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!
    25 May, 2020
     VICTOR__Europe Frank from VICTOR Europe GmbH:
Thank you for helping us to fix the critical SQL injection.
Friendly contact, thanks for the effort.
    18 May, 2020
     tnyaritm Tamás from Telemarketing International:
Many thanks for your efforts to find and help for fixing the vulnerability on our webshop. I recommend your skills for every website owner!
    18 May, 2020
     AnimeCons Patrick from FanCons:
Found a number of XSS issues we had open. Very helpful info!
    15 May, 2020
     CartRover William from CartRover:
Thank you very much for your detailed report and helping to make our site more secure.
    14 May, 2020
     rundumsbaby rundumsbaby from rundumsbaby:
Thank you very much for reporting the XSS vulnerability and your quick response.
    13 May, 2020
     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.
    12 May, 2020
     RuncornLinnets Steve P from Runcorn Linnets FC:
Many thanks for finding and reporting the issue on our website. Really appreciate the responsible approach.
    6 May, 2020
     seedfinder j.a. from seedfinder:
thanks for using your time to make the world a better place - and specially for letting us know about the XSS problem!!! keep on the good work man!

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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:3189
Total reports on VIP sites:771
Total patched vulnerabilities:2146
Total vulnerabilities on Hold (Open Bug Bounty):42
Recommendations received:97
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 Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week



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Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
06.06.2016
patched
Cross Site Scripting
06.06.2016
patched
Cross Site Scripting
04.06.2016
patched
Cross Site Scripting
04.06.2016
patched
Open Redirect
04.06.2016
patched
Cross Site Scripting
02.06.2016
unpatched
Cross Site Scripting
02.06.2016
patched
Cross Site Scripting
05.05.2016
patched
Cross Site Scripting
05.05.2016
patched
Cross Site Scripting
05.05.2016
patched
Cross Site Scripting
05.05.2016
patched
Cross Site Scripting
05.05.2016
patched
Cross Site Scripting
05.05.2016
patched
Cross Site Scripting
05.05.2016
patched
Cross Site Scripting

  Latest Patched

 09.07.2020 plagscan.com
 09.07.2020 cpagrip.com
 09.07.2020 grin.com
 09.07.2020 gettyimages.fr
 09.07.2020 kiplinger.com
 09.07.2020 penzance-tc.gov.uk
 09.07.2020 eszkola.pl
 09.07.2020 rid.ncifcrf.gov
 09.07.2020 nu.or.id
 09.07.2020 gamebanana.com

  Latest Blog Posts

24.06.2020 by Gkexamquiz
How to Find Contacts To Report Bugs & Security Vulnerabilities | Bug Bounty Tutorials 2020
24.06.2020 by 0xcrypto
Improper Access Control - Generic: Unrestricted access to any "connected pack" on docs in coda.io
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

  Recent Recommendations

    9 July, 2020
     newstroll_de:
Thanks for reporting the bug in a very professional manner. We appreciate your work that helps us making our service more secure.
    9 July, 2020
     MariStep2:
Great job! :) Thank you for searching for vulnerabilities on our site. Very responsive, attentive and responsible Security Researcher.
    8 July, 2020
     ziduniwien:
Dear Tanzil,

The University of Vienna would like to thank you for your valuable contribution in finding multiple website security issues.
Your input is highly welcome and helps to raise the security level of our educational institution.

Servus and greetings from Vienna, Austria.
    8 July, 2020
     baladulan:
Armin, vielen Dank für deine Unterstützung!
    6 July, 2020
     aldraHastur:
Vielen Dank für den Hinweis, mit dem wir eine Lücke im System schließen konnten.