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940,893 coordinated disclosures
563,574 fixed vulnerabilities
1306 bug bounties with 2,609 websites
22,375 researchers, 1296 honor badges

kun-fly | Security Researcher Profile

Security researcher kun-fly has already helped fix 979 vulnerabilities.

Researcher reputation:  550

Real name:
Kunal Jadhav

About me:
Independent security researcher & coffee addict.

"Technology trust is a good thing, but control is a better one."

Contact email:
[email protected]

Alternative Contacts:
[email protected] or DM on Twitter

Certifications & Diplomas:
Certified Penetration Testing Engineer
Certified Ethical Hacker

Award / Bug Bounty I prefer:
Money via PayPal/Payoneer, voucher, gifts, Letter of Appreciation
a positive Recommendation on my profile will do. :)

(Open to job offers.)

Follow me on:

Recommendations and Acknowledgements

@UUCSIRT     22 February, 2021
    Twitter UUCSIRT Hans Liss from Uppsala university:
Thanks for your responsible disclosure of and XSS vulnerability on one of our webpages. It's appreciated!
@businessofdesi1     23 July, 2020
    Twitter businessofdesi1 R. Klein from Business of Design:
Kunal was able to find and alert us to the presence of a serious vulnerability in one of our Wordpress plugins. We in turn alerted the developer, who issued an update with a fix. We highly recommend Kunal as a professional and diligent ethical hacker who'll help secure your site.
@vmarci21     25 June, 2020
    Twitter vmarci21 Marton :
Thanks to finding the XSS vulnerability!
We are really appreciated your work.
@vmarci21     25 June, 2020
    Twitter vmarci21 Marton :
Thanks to finding the XSS vulnerability!
We are really appreciated your work.
@Grada48040091     24 June, 2020
    Twitter Grada48040091 Carlos Jacobs from Grada:
Appreciate you founded a XSS bug on our website. ¡Thank you very much!
@plaxiva     22 April, 2020
    Twitter plaxiva Konstantin :
Helped with finding XSS vulnerability, recommend as security specialist.
@phistrom     2 March, 2020
    Twitter phistrom Phillip from The Stromberg Group:
We really appreciate your help identifying an XSS exploit on our website. Your responsible disclosure and example URL allowed us to immediately find and correct the problem. Thank you for your hard work to make the internet a safer place.
@fitzsimons_jim     2 March, 2020
    Twitter fitzsimons_jim Jim Fitzsimons from Granite Digital:
Kunal identified an XSS vulnerability on one of our sites, communicated the issue clearly to us and helped us solve it. Excellent work from a fine researcher. Highly recommended!
@LarryParker98     26 February, 2020
    Twitter LarryParker98 Larry Parker from University at Albany:
Kunal, thank you for reporting the vulnerability on our web site. We greatly appreciate your help in securing our site.
@GeraldKjellberg     13 January, 2020
    Twitter GeraldKjellberg Frankie :
Thanks mate for finding XSS vulnerability on our website.

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Honor Badges

Number of Secured Websites

10+ Secured Websites Badge
50+ Secured Websites Badge
500+ Secured Websites Badge
Web Security Veteran Badge
10+ Websites
50+ Websites
500+ Websites
1000+ Websites

Advanced Security Research

WAF Bypasser Badge
CSRF Master Badge
AppSec Logic Master Badge
Fastest Fix Badge
WAF Bypasser
CSRF Master
30+ Reports
AppSec Logic Master
30+ Reports
Fastest Fix
Fix in 24 hours

Outstanding Achievements

Secured OBB Badge
OBB Advocate Badge
Improved OBB Badge
Secured OBB
OBB Advocate
Improved OBB

Commitment to Remediate and Patch

Patch Master Badge
Patch Guru Badge
Patch Lord Badge
Patch Master
55% Patched
Patch Guru
65% Patched
Patch Lord
75% Patched

Recommendations and Recognition

10+ Recommends
25+ Recommends
50+ Recommends

Distinguished Blog Author

Distinguished Blog Author Badge
Distinguished Blog Author Badge
Distinguished Blog Author Badge
1 Post
3 Posts
5+ Posts

Research Statistics

Total reports:3992
Total reports on VIP sites:131
Total patched vulnerabilities:979
Total vulnerabilities on Hold (Open Bug Bounty):564
Recommendations received:45
Active since:08.12.2019

Open Bug Bounty Certificate

Researcher Certificate

Reported Vulnerabilities

All Submissions VIP SubmissionsFeatured Submissions

No posts in blog yet

  Latest Patched


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Sysadminotaur nº88
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Higher Submissions Quality Standard
25.12.2020 by _Y000_
How to bypass mod_security (WAF)

  Recent Recommendations

@MrMoney84315336     16 April, 2021
    Twitter MrMoney84315336:
Serious, fast and professional.Thanks for the report.
@lmanunza     15 April, 2021
    Twitter lmanunza:
The Researcher found an XSS vulnerability in our site and acted ethically by reporting it to us, so we could fix it in a timely manner. Thank you!
@studentdoctor     14 April, 2021
    Twitter studentdoctor:
Rngdr4 is an absolute professional. Very helpful in finding and helping to resolve our bug. Highly recommended! Thanks, rngdr4!
@lmanunza     13 April, 2021
    Twitter lmanunza:
Pooja found an XSS vulnerability in our website and acted ethically by reporting it to us, as well as providing all the information we needed to reproduce and fix the issue in a timely manner. Thank you very much!
@MrMoney84315336     13 April, 2021
    Twitter MrMoney84315336:
Thank you for reporting the XSS issue.
Thanks to the detailed report, we were able to fix the problem on the same day.