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491,872 coordinated disclosures
268,348 fixed vulnerabilities
661 bug bounties with 1,339 websites
13,628 researchers, 1032 honor badges

k0t Top Security Researcher of the Month | Security Researcher Profile


Security researcher k0t has already helped fix 1925 vulnerabilities.



Researcher reputation:  1350

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

    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!
    25 December, 2019
     sandipkar44 Sandip Kar from LearnPick Technologies Inc:
k0t found a XSS Bug on our site, thanks for the research and the responsible disclosure!. Really appreciated.
    28 November, 2019
     sanjurosaves sanjurosaves from John E. Allen Inc.:
Thank you so much for finding the vulnerability in our website and prompting the patch!
    26 November, 2019
     timban4phuong Hen Ho from Tim Ban Bon Phuong:
Dear k0t,
Thank you very much for your time, and professional help on this crucial security matter.
Your report helped us identify the source of the vulnerability right away.
    14 November, 2019
     cloudrexx Thomas Wirz from Cloudrexx AG:
Thank you very much for making us aware of the issue and providing us a high quality vulnerability report which helped us identify the source of the vulnerability right away.
    13 November, 2019
     fislerdata fislerdata from FislerData:
Thank you for your work. The issue was reported promptly and follow up was fast.
    7 November, 2019
     StaffsMatthew Matthew from scramble.gg:
Highly professional - spotted a number of issues with wordpress instance & was very fast at communicating. Internet hero!

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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:2920
Total reports on VIP sites:737
Total patched vulnerabilities:1925
Total vulnerabilities on Hold (Open Bug Bounty):155
Recommendations received:71
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
20.01.2020
On Hold
Cross Site Scripting
20.01.2020
On Hold
Improper Access Control 
17.01.2020
On Hold
Improper Access Control 
16.01.2020
On Hold
Cross Site Scripting
15.01.2020
On Hold
Improper Access Control 
15.01.2020
On Hold
Cross Site Scripting
14.01.2020
On Hold
Cross Site Scripting
14.01.2020
On Hold
Cross Site Scripting
13.01.2020
On Hold
Improper Access Control 
13.01.2020
On Hold
Cross Site Scripting
13.01.2020
On Hold
Cross Site Scripting
13.01.2020
On Hold
Improper Access Control 
13.01.2020
On Hold
Cross Site Scripting
13.01.2020
On Hold
Cross Site Scripting
13.01.2020
On Hold
Improper Access Control 
13.01.2020
On Hold
Cross Site Scripting
10.01.2020
On Hold
Cross Site Scripting
09.01.2020
On Hold
Improper Access Control 
09.01.2020
On Hold
Cross Site Scripting
09.01.2020
On Hold
Cross Site Scripting

  Latest Patched

 20.01.2020 vanityfair.com
 20.01.2020 zapmeta.ng
 20.01.2020 genyt.net
 20.01.2020 baku.ws
 20.01.2020 cqu.edu.au
 20.01.2020 espn.in
 20.01.2020 sahibinden.com
 20.01.2020 singularityhub.com
 20.01.2020 outlookindia.com
 20.01.2020 suratkabar.id

  Latest Blog Posts

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
08.01.2020 by devl00p
Top 100 Open Redirect dorks
08.01.2020 by Rando02355205
XSS WAF Bypassed
31.12.2019 by Open Bug Bounty
Happy bug hunting in 2020, let’s make Web secure with Open Bug Bounty!

  Recent Recommendations

    20 January, 2020
     PaulMar23292621:
Miguel showed us several information disclosure issues with our site. Thank you very much Miguel!
    18 January, 2020
     damnitjim:
Thanks for taking the time to report the weaknesses and really appreciate the wapiti tool that you've developed.
    17 January, 2020
     gexsi_search:
Many thanks for your support!
    17 January, 2020
     smay84:
Thank you for your quick response and helpful information.
    17 January, 2020
     RohitIn20189381:
Great job on finding that XSS.