Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 382,549 coordinated disclosures
217,297 fixed vulnerabilities
517 bug bounties with 1017 websites
10,279 researchers, 902 honor badges

Maximum | Security Researcher Profile

Security researcher Maximum has already helped fix 95 vulnerabilities.

Researcher reputation:  150

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

    21 May, 2019
     cyberday_gmbh DLO from CYBERDAY GmbH:
thanks for reporting
    15 May, 2019
     aartvdwerf Aart from OI:
Helped fixing an XSS vulnerability, thanks!
    3 January, 2019
     WeekendeskSecu Security from Weekendesk:
Thanks for the XSS report and to give us the time to fix it - really appreciated!
    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

Distinguished Blog Author

1 Post
3 Posts
5+ Posts

Research Statistics

Total reports:455
Total reports on VIP sites:97
Total patched vulnerabilities:95
Total vulnerabilities on Hold (Open Bug Bounty):4
Recommendations received:7
Active since:14.05.2019
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
On Hold
Cross Site Scripting
Cross Site Scripting
On Hold
Cross Site Scripting
Cross Site Scripting
On Hold
Cross Site Scripting

  Latest Patched


  Latest Blog Posts

12.06.2019 by Open Bug Bounty
Open Bug Bounty pursues a steady growth in 2019 with over 212,148 fixed vulnerabilities
27.05.2019 by fakessh
bing openredirect
20.05.2019 by fakessh
Hitachi Incident Response Team (HIRT)
11.05.2019 by MAS00712
Footprinting and Reconnaissance with DIRB Tool (For Security Researcher and Bug Bounty Hunters)
01.05.2019 by Renzi25031469
1000's of default passwords on

  Recent Recommendations

    14 June, 2019
Paulo was very helpful in identifying vulnerabilities with our service - thanks!
    14 June, 2019
MAS00712 found another xss vulnerability on our website. We have fixed the issue. Thank you for your report!
    13 June, 2019
Good find! Thank you
    13 June, 2019
Good job!
    13 June, 2019
Thanks for reporting the XSS vulnerability!