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732,289 coordinated disclosures
435,603 fixed vulnerabilities
1141 bug bounties with 2,191 websites
20,535 researchers, 1255 honor badges

Kapitan | Security Researcher Profile

Security researcher Kapitan has already helped fix 99 vulnerabilities.

Researcher reputation:  220

Real name:

About me:
Quality Assurance Engineer, part time bug hunter, Acknowledged by Nokia, Blackberry, United Nations, Philips, BBC, Nike and many more.

How to contact me:
Email: [email protected]

Award / Bug Bounty I prefer:
PayPal: [email protected]

Halls of Fame:
Nokia, BBC, United Nations, Blackberry, Philips, Drexel University, Genymotion, Sick, SpringerNature, University Of Twente, Vocus Network Solution, machinerysafety101

Recommendations and Acknowledgements | Full List:

@EmilMajkowski     13 January, 2021
    Twitter EmilMajkowski Emil from Rentals United:
Pritam was very helpful, he explained well the issue and helped me solve it. Thank you
@ram_terrapay     8 January, 2021
    Twitter ram_terrapay Ram Sundaram from TerraPay:
Pritam was very prompt in his responses and very professional. Thank you
@Nichola40778173     7 January, 2021
    Twitter Nichola40778173 Nicholas McCarthy from Edge Products:
Pritam was a great help. He promptly sent us what the issue was and a full step by step resolution to it. Very much appreciated!
@TopMiata     7 January, 2021
    Twitter TopMiata FRK from M-Dnia:
Pritam was very helpful, he explained well the issue and helped me solving it. Thank you.
@AlsaceBiz     4 January, 2021
    Twitter AlsaceBiz Lucy Watson from KEXINO:
Pritam was responsive and courteous. He clearly outlined the issue, providing links for our tech team with the means to correct it promptly.

Thank you so much, Pritam!
@DougNix     3 January, 2021
    Twitter DougNix Doug Nix from Compliance inSight Consulting Inc.:
Kapitan was courteous and respectful at all times. He was quick to respond, and he helped to verify that the vulnerability was corrected. I was pleased with the way he handled the disclosure and resolution.
@Travelsignposts     3 January, 2021
    Twitter Travelsignposts Tony Page from Travelsignposts Pty. Ltd.:
Pritam replied promptly to my query and drew my attention to an egregious (and longstanding!) omission to delete a vulnerable file that his script had picked up. I felt like banging my head against the nearest wall for missing he saved me a fractured skull!
I see that Pritam has found literally hundreds if not thousands of vulnerabilities across the web, and provides a great service; his programming skills speak for themselves, as do his high ethical standards.
Thank you, sir!
@BenCPenney     31 December, 2020
    Twitter BenCPenney Ben Penney from Loop1:
Pritam was very courteous and provided information needed to resolve in a very quicker manner. Your work is much appreciated sir!
@FortiterGames     31 December, 2020
    Twitter FortiterGames Dave from Fortiter Games:
Great work by Pritam in highlighting the issue in a clear way that enabled me to correct it promptly.
@IsThisBetterYet     29 December, 2020
    Twitter IsThisBetterYet Gavin Mannion from CriticalHit:
Pritam was quick to respond and provided us with details on how to close our security loophole
@CDCNewswire     28 December, 2020
    Twitter CDCNewswire Cory Roberts from CDC Gaming Reports:
Pritam was very quick to respond with further details and a fix for us to make.

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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:14035
Total reports on VIP sites:337
Total patched vulnerabilities:99
Total vulnerabilities on Hold (Open Bug Bounty):14023
Recommendations received:11
Active since:18.12.2020
Top VIP Security Researcher Awards: Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week

Open Bug Bounty Certificate

Researcher Certificate

No posts in blog yet

Reported Vulnerabilities

All Submissions VIP 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

@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!
@nitallica     13 January, 2021
    Twitter nitallica:
Directed me to an old php info page I had completely forgotten about, as well as reminded me to fix my DMARC record. Thank you! :)