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505,182 coordinated disclosures
276,075 fixed vulnerabilities
700 bug bounties with 1,400 websites
14,294 researchers, 1057 honor badges

k0t Top Security Researcher of the Month | Security Researcher Profile


Security researcher k0t has already helped fix 2002 vulnerabilities.



Researcher reputation:  1460

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

    18 February, 2020
     Travelmath John from Travelmath:
Great job finding a vulnerability. I have fixed the issue now, thanks for your help!
    17 February, 2020
     bigwavedave_ca DaveB from BWD:
Many thanks to k0t for finding and reporting the XSS vulnerability on my website.
    17 February, 2020
     juunkwan juukwan from AID-DCC:
Thank you for your polite response.
It was very helpful.
    12 February, 2020
     willytobler Gerhard Ziegler from local heroes:
Thank you very much for finding the XSS bug on our website and your responsible disclosure. You make the web a better place! Absolutely appreciated.
    10 February, 2020
     MonnosGlobal Rafael Serrrano from MonnosGlobal:
Thank you for your work mate!
We really appreciated, thanks for your time help us.
The issue was reported promptly and follow up was fast.
    3 February, 2020
     vavideode Vavideo from Vavideo:
Thank you for making the web safer!
    17 January, 2020
     gexsi_search Kevin from Gexsi:
Many thanks for your support!
    16 January, 2020
     LiveAgent Ondrej from LiveAgent:
Thank you for reporting issue with our WordPress. We thought it had been already well protected, but after your report we decided to improve the security further. Good job.
    10 January, 2020
     sandrabouw Sandra from -:
Thanks for informing us and your quick replies.
    1 January, 2020
     BBrunekreeft Bert Brunekreeft from Lobbes.nl:
Appreciated the discovery and notification of the xss vulnerability! Thanks!

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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:2979
Total reports on VIP sites:749
Total patched vulnerabilities:2002
Total vulnerabilities on Hold (Open Bug Bounty):139
Recommendations received:77
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 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
14.02.2020
On Hold
Cross Site Scripting
14.02.2020
On Hold
Cross Site Scripting
13.02.2020
On Hold
Cross Site Scripting
13.02.2020
On Hold
Cross Site Scripting
12.02.2020
On Hold
Cross Site Scripting
11.02.2020
On Hold
Cross Site Scripting
11.02.2020
On Hold
Improper Access Control 
10.02.2020
On Hold
Cross Site Scripting
10.02.2020
On Hold
Cross Site Scripting
07.02.2020
On Hold
Cross Site Scripting
05.02.2020
On Hold
Cross Site Scripting
05.02.2020
On Hold
Cross Site Scripting
05.02.2020
On Hold
Cross Site Scripting
05.02.2020
On Hold
Cross Site Scripting
04.02.2020
On Hold
Cross Site Scripting
03.02.2020
On Hold
Cross Site Scripting
03.02.2020
On Hold
Cross Site Scripting
30.01.2020
On Hold
Cross Site Scripting
28.01.2020
On Hold
Cross Site Scripting
28.01.2020
On Hold
Cross Site Scripting

  Latest Patched

 20.02.2020 reachlocal.com
 20.02.2020 info.reco.ws
 20.02.2020 job-hunt.org
 19.02.2020 olis.ri.gov
 19.02.2020 ppt.cc
 19.02.2020 cjdropshipping.com
 19.02.2020 koton.com
 19.02.2020 band.uol.com.br
 19.02.2020 myrealtrip.com
 19.02.2020 w3techs.com

  Latest Blog Posts

10.02.2020 by 0xrocky
Stored XSS on h2biz.net
10.02.2020 by ismailtsdln
SQL Injection Payload List
20.01.2020 by Rando02355205
XSS on "www.alibaba.com" (Alibaba WAF 405) Bypassed.
16.01.2020 by Open Bug Bounty
Brief Recap of Open Bug Bounty’s Record Growth in 2019
12.01.2020 by JCQ_47
WAF Cloudflare Bypass XSS at Nexusmods.com

  Recent Recommendations

    19 February, 2020
     UKClimbing:
Thanks for finding the XSS bug. Great communication.
    18 February, 2020
     Travelmath:
Great job finding a vulnerability. I have fixed the issue now, thanks for your help!
    18 February, 2020
     MotoDriveTv:
Thanks you Rajesh for reporting a bug without wanting to gain anything from it. Your quick response enabled us to swiftly fix the flaws you found, great help!
    18 February, 2020
     giroud_francois:
Thanks for notifying flaw, and for the answers ! Your support on fixing the issues was helpful... Friendly contact.
    17 February, 2020
     bigwavedave_ca:
Many thanks to k0t for finding and reporting the XSS vulnerability on my website.