Open Bug Bounty selected among the
Top 5 Bug Bounty programs to watch
in 2021 by The Hacker News

For security researchers
Report a Vulnerability
Submit, help fixing, get kudos.
For website owners
Start a Bug Bounty
Run your bounty program for free.
1,006,104 coordinated disclosures
628,908 fixed vulnerabilities
1,348 bug bounty programs, 2,698 websites
23,362 researchers, 1,318 honor badges

kun-fly | Security Researcher Profile

Security researcher kun-fly has already helped fix 1033 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.

Shows the first 10 recommendations. See all.

Please login via Twitter to add a recommendation

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:4058
Total reports on VIP sites:131
Total patched vulnerabilities:1033
Total vulnerabilities on Hold (Open Bug Bounty):239
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


  Latest Blog Posts

25.05.2021 by 0xrocky
Google XSS Game
25.05.2021 by ShivanshMalik12
Testing for XSS (Cross Site Scripting)
25.05.2021 by darklotuskdb
Easy XSS On Mostly Educational Websites Via Moodle
25.04.2021 by ParanjpeSanmarg
Testing Subdomain Takeover Vulnerability
11.04.2021 by Open Bug Bounty
Better Notifications Mechanism

  Recent Recommendations

@darione90     19 June, 2021
    Twitter darione90:
Many thanks to garlet_marco for finding an XSS vulnerability on our website!
@RyanBoehm12     16 June, 2021
    Twitter RyanBoehm12:
Vighnesh Gupta was professional, considerate, and thorough in helping us resolve a security flaw on our website. He communicated with in a timely manner, and provided all necessary support to fix the issue. I highly recommend him.
@rus_cert     16 June, 2021
    Twitter rus_cert:
Thanks for informing us about the vulnerability and providing helpful details :-)
@Cyber91998806     16 June, 2021
    Twitter Cyber91998806:
He responded to my mails quickly and helped us how to fix the vulnerability in a professional way. I recommended this guy.
@contactsplus     15 June, 2021
    Twitter contactsplus:
Tuhin reported 3 valid vulnerabilities to us of severities High, Medium and Low.

He was very professional and helped us recreate the issues until we were able to verify.
He was awarded a bounty for his efforts.

Thank you Tuhin!

Contacts+ Security Team.