Report a Vulnerability
Submit, help fixing, get kudos.
Start a Bug Bounty
Run your bounty program for free.
552,703 coordinated disclosures
355,077 fixed vulnerabilities
831 bug bounties with 1,611 websites
17,176 researchers, 1151 honor badges

k0t Top Security Researcher of the Month | Security Researcher Profile


Security researcher k0t has already helped fix 2158 vulnerabilities.



Researcher reputation:  1910

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 July, 2020
     TandyUKServers James Tandy from TandyUK Servers:
This researcher found and responsibly disclosed several XSS vulnerabilities on our clients site.
Many Thanks for helping make the web a safer place in a responsible way.
    22 July, 2020
     TandyUKServers James Tandy from TandyUK Servers:
Thank you very much for reporting the XSS vulnerability and your quick response.
    14 July, 2020
     tnyaritm Tamas from Mediashop:
Many thanks for your efforts to report the vulnerability and helped us to fix it. I recommend this researcher!
    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.

Shows the first 10 recommendations. See all.

Please login via Twitter to add a recommendation

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:3204
Total reports on VIP sites:771
Total patched vulnerabilities:2158
Total vulnerabilities on Hold (Open Bug Bounty):31
Recommendations received:100
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



No posts in blog yet


Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
18.10.2019
unpatched
Cross Site Scripting
17.10.2019
patched
Cross Site Scripting
17.10.2019
patched
Cross Site Scripting
15.10.2019
unpatched
Open Redirect
14.10.2019
patched
Improper Access Control 
14.10.2019
patched
Improper Access Control 
12.10.2019
patched
Cross Site Scripting
11.10.2019
patched
Cross Site Scripting
11.10.2019
patched
Improper Access Control 
11.10.2019
patched
Cross Site Scripting
11.10.2019
patched
Cross Site Scripting
11.10.2019
patched
Cross Site Scripting
11.10.2019
patched
Cross Site Scripting
11.10.2019
patched
Cross Site Scripting
10.10.2019
patched
Cross Site Scripting
10.10.2019
patched
Cross Site Scripting
10.10.2019
patched
Cross Site Scripting
10.10.2019
patched
Cross Site Scripting
10.10.2019
patched
Cross Site Scripting
10.10.2019
unpatched
Cross Site Scripting

  Latest Patched

 03.08.2020 9yards.me
 03.08.2020 bankier.pl
 02.08.2020 imobiliare.ro
 02.08.2020 enviro.epa.gov
 02.08.2020 healthfinder.gov
 01.08.2020 istockphoto.com
 01.08.2020 nla.gov.au
 01.08.2020 ac-besancon.fr
 01.08.2020 stmods.ru
 01.08.2020 iomtoday.co.im

  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

    3 August, 2020
     Robert_CMI:
Thank you for reporting the vulnerability on our website, we very much appreciate your quick response and good description of the issue.
    1 August, 2020
     aboros:
Thank you for finding several issues on our site
    30 July, 2020
     HoutVasthouden:
Thank you Gaurav for helping us making our website a safer place! You reported a XSS vulnerability on one of our webforms, you gave us very clear information on the issue, so that we were able to fix the bug.
Keep up the good work!
    30 July, 2020
     h_ono:
Great work, thanks for finding a bug and kindly reporting it.
    30 July, 2020
     h_ono:
Great work, thanks for finding a bug and kindly reporting it.