Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 316,817 coordinated disclosures
186,245 fixed vulnerabilities
371 bug bounties with 808 websites
8,780 researchers, 315 honor badges

Maximum | Security Researcher Profile

Security researcher Maximum has already helped fix 92 vulnerabilities.

Researcher reputation:  90

Real name:

About me:
XSS Guru
Rewards: Paypal, Crypto, Amazon vouchers or just thanks! (contact me for details)

How to contact me:
Email: [email protected]

Experience in Application Security
over 5 years

Recommendations and Acknowledgements

    22 August, 2018
     wirthundhorn Support from
Thank you helping us finding and fixing vulnerabilities.
    24 July, 2018
     FunkyIt Alexis Kremin from Funke Digital GmbH:
Thank you very much for detection of the XSS vulnerability.
I really appreciate your very fast reactions to our emails and many special thanks for re-testing our fixes twice!
    7 July, 2018
     testmynet CA3LE from
Thank you for finding that XSS vulnerability. You made it easy for me to fix.
    7 July, 2018
     RealArties RealArties from ASC Computersysteme:
Thank you for finding and reporting an XSS Vulnerability on our website. We fixed it soon and make our site safer for our visitors!

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Awards and Achievements

Number of Secured Websites

10+ Websites
50+ Websites
500+ Websites
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

10+ Recommends
25+ Recommends
50+ Recommends

Research Statistics

Total reports:447
Total reports on VIP sites:97
Total patched vulnerabilities:92
Total vulnerabilities on Hold (Open Bug Bounty):1
Recommendations received:4
Active since:05.07.2018
Top VIP Security Researcher Awards: Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week

Open Bug Bounty Certificate

No posts in blog yet

Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
On Hold
Cross Site Scripting
Cross Site Scripting

  Latest Patched


  Latest Blog Posts

15.02.2019 by ismailtsdln
Adobe Israel Website XSS Vulnerability
07.02.2019 by aye_robot
Reporting CSRF via Openbugbounty
06.02.2019 by Open Bug Bounty
Launching Open Bug Bounty Blog and new platform features

  Recent Recommendations

    17 February, 2019
Thank you for pointing out the XSS vulnerability in our site. We appreciate your work and quick response. Thank you!!
    14 February, 2019
Thanks a lot for the report! We completely missed this vulnerability ourselves and are happy that you caught it!
    14 February, 2019
Thank you for helping me find and fix the XSS vulnerability on mudconnect!
    13 February, 2019
Thank you for reporting a vulnerability on our page very professionally! You did us a great service!
    12 February, 2019
Very helpful and responsive in helping me get my issue fixed.