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732,744 coordinated disclosures
435,645 fixed vulnerabilities
1140 bug bounties with 2,190 websites
20,542 researchers, 1255 honor badges

kun-fly | Security Researcher Profile

Security researcher kun-fly has already helped fix 948 vulnerabilities.

Researcher reputation:  540

Real name:
Kunal Jadhav

About me:
Independent security researcher & coffee addict.

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

How to contact me:
[email protected]

[Communications will not be disclosed]

Alternative Contacts:
[email protected] or DM on Twitter

Certifications & Diplomas:
Certified Penetration Testing Engineer
Certified Ethical Hacker

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

Follow me on:

Recommendations and Acknowledgements

@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.
@GeraldKjellberg     13 January, 2020
    Twitter GeraldKjellberg Katherine :
We need researchers like you! Thanks.

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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:3411
Total reports on VIP sites:124
Total patched vulnerabilities:948
Total vulnerabilities on Hold (Open Bug Bounty):73
Recommendations received:44
Active since:08.12.2019

Open Bug Bounty Certificate

Researcher Certificate

No posts in blog yet

Reported Vulnerabilities

All Submissions VIP SubmissionsFeatured Submissions

  Latest Patched


  Latest Blog Posts

25.12.2020 by _Y000_
How to bypass mod_security (WAF)
10.12.2020 by _Y000_
sql injection to bypass Mod_Security
10.12.2020 by _Y000_
Create encoded sql payloads
26.10.2020 by _r00t1ng_
Bypass Addslashes using Multibyte Character
26.10.2020 by _r00t1ng_
One Payload to Inject them all - MultiQuery Injection

  Recent Recommendations

@smiteworks     15 January, 2021
    Twitter smiteworks:
Rajesh was very helpful in providing information and penetration testing on our site. With this information, we were able to harden our infrastructure.
@matrixrewriter     15 January, 2021
    Twitter matrixrewriter:
We had no idea that this vulnerability existed in many PHP-based websites and you kindly reported it to us. Thanks for your help and all the best for your career!
@JoseLev41970568     14 January, 2021
    Twitter JoseLev41970568:
Specialist in web application penetration tester, student and passionate about computer security and ethical hacking.
@far00t1     14 January, 2021
    Twitter far00t1:
i recommend jose luis for his work and enthusiasm in helping us with our technological infrastructure.
@lorenzoherrera     14 January, 2021
    Twitter lorenzoherrera:
Raajesh reported us a nasty vulnerability that totally slipped through our radars, we didn't even know that was possible! Thanks to him and his thorough report we've been able to solve it and now our site is more secure! Thank you for your time and effor, Rajeesh!