Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 475,519 coordinated disclosures
255,887 fixed vulnerabilities
634 bug bounties with 1261 websites
12,970 researchers, 996 honor badges

k0t Top Security Researcher of the Month | Security Researcher Profile


Security researcher k0t has already helped fix 1877 vulnerabilities.



Researcher reputation:  1250

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

    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!
    30 October, 2019
     cpweather Christian from meteocentre.com:
Very nice to have warn me about a vulnerability! It has been patched very fast. Thanks for your kind help!
    30 October, 2019
     cpweather Christian from meteocentre.com:
Very nice to have warn me about a vulnerability! It has been patched very fast. Thanks for your kind help!
    10 October, 2019
     ziduniwien Zentraler Informatikdienst from University of Vienna:
Dear k0t,

The University of Vienna would like to thank you for your valuable contribution in finding a website security issue.

Your input is highly welcome and helps to raise the security level of our educational institution.

Servus and greetings from Vienna, Austria.
    17 September, 2019
     pacotix Fran from Inxenio:
Thanks a lot for your finding!
    12 September, 2019
     phdev6 ph-dev from Peter Hahn:
k0t found a XSS Bug on our site, thanks for the research and the responsible disclosure!

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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:2843
Total reports on VIP sites:723
Total patched vulnerabilities:1877
Total vulnerabilities on Hold (Open Bug Bounty):162
Recommendations received:66
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
09.12.2019
On Hold
Cross Site Scripting
08.12.2019
On Hold
Cross Site Scripting
06.12.2019
On Hold
Cross Site Scripting
06.12.2019
On Hold
Cross Site Scripting
05.12.2019
On Hold
Improper Access Control 
05.12.2019
On Hold
Cross Site Scripting
05.12.2019
On Hold
Cross Site Scripting
04.12.2019
On Hold
Cross Site Scripting
04.12.2019
On Hold
Cross Site Scripting
04.12.2019
On Hold
Cross Site Scripting
04.12.2019
On Hold
Cross Site Scripting
04.12.2019
On Hold
Cross Site Scripting
04.12.2019
On Hold
Cross Site Scripting
04.12.2019
On Hold
Cross Site Scripting
27.11.2019
On Hold
Cross Site Scripting
26.11.2019
On Hold
Cross Site Scripting
25.11.2019
On Hold
Cross Site Scripting
25.11.2019
On Hold
Improper Access Control 
24.11.2019
On Hold
Improper Access Control 
21.11.2019
On Hold
Cross Site Scripting

  Latest Patched

 10.12.2019 ananzi.co.za
 10.12.2019 gelbeseiten.de
 09.12.2019 brickset.com
 09.12.2019 burdastyle.ru
 09.12.2019 newtonnc.gov
 09.12.2019 gilacountyaz.gov
 09.12.2019 teamunify.com
 09.12.2019 karar.com
 09.12.2019 sd26.senate.ca.gov

  Latest Blog Posts

30.11.2019 by IAMMUSTAFAQADRI
How to hack an app: 8 best practices for pen testing mobile apps
27.11.2019 by TahakhanTaha
Reflected xss in 360totalsecurity
21.11.2019 by TahakhanTaha
blind xss in apple
30.10.2019 by Nep_1337_1998
Denial of Service vulnerability in script-loader.php (CVE-2018-6389)
17.10.2019 by 0xrocky
Stored XSS

  Recent Recommendations

    9 December, 2019
     TristanGuiheux:
Kenan G. has helped us to find and fix some issues on web sites we're protecting. This kind of help is greatly appreciated from a security perspective. This way we can improve ourselves and protect our customers. Thanks again in my name.
    6 December, 2019
     r0m01736939:
Thank you for your report. I was able to fix it quickly :)
    6 December, 2019
     Buchabstauber:
We would like to thank you for your valuable contribution in finding the XSS issue on our site! You have been very helpful!
    4 December, 2019
     fablabc:
Thanks for reporting a high risky issue to me. You are awesome
    4 December, 2019
     lbl_jd:
Gh05tPT found a XSS vulnerability on our site which I was able to fix quite quickly. Thanks for your help.