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748,118 coordinated disclosures
438,254 fixed vulnerabilities
1148 bug bounties with 2,200 websites
20,689 researchers, 1257 honor badges

badmaxx Top VIP Security Researcher of the Month | Security Researcher Profile

Security researcher badmaxx has already helped fix 1986 vulnerabilities.

Researcher reputation:  90

Real name:

About me:
You can contact me in german or english

How to contact me:
[email protected]om

Alternative Contacts:
Twitter: @infosec_badmaxx

Experience in Application Security
1-3 years

Award / Bug Bounty I prefer:
Paypal, Giftcards, some stuff from your Shop, T-Shirt or a nice mail or a recommendation on openbugbounty

Recommendations and Acknowledgements

@brosoft     6 October, 2020
    Twitter brosoft Martin from Credible:
Thank you for your help.
@eulenberger     24 May, 2018
    Twitter eulenberger Sven from netclusive GmbH:
Thanks for your help!
@classmarketsHQ     3 May, 2018
    Twitter classmarketsHQ classmarketsHQ from classmarkets:
badmaxx found and responsibly disclosed a XSS vulnerability in our SaaS
product. We appreciate his work and bringing this problem to our intention. The issue has been resolved quickly with the information provided by badmaxx.
@Michi_Fuehrer     10 April, 2018
    Twitter Michi_Fuehrer Michael from LfA:
Thank you badmaxx for reporting a security bug. The security hole has been closed.
@PixelAgentur     20 July, 2017
    Twitter PixelAgentur PixelAgentur from PixelProduction:
Thank you badmaxx for reporting a security bug on The sercurity hole has been closed.

Thx a lot PixelProduction
@Intriweb     18 April, 2017
    Twitter Intriweb Benjamin Löwen from InTriWeb:
Thanks for reporting a potential security vulnerability on

With the information from badmaxx, I could close the gap immediately.

Many 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:2999
Total reports on VIP sites:82
Total patched vulnerabilities:1986
Total vulnerabilities on Hold (Open Bug Bounty):11
Recommendations received:6
Active since:25.03.2017
Top Security Researcher Awards:Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month

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

@KodiMaster1     23 January, 2021
    Twitter KodiMaster1:
Good and professional report. I was a pleasure working with him!
@igucci     23 January, 2021
    Twitter igucci:
Thank you for the notification and quick & polite response.
Keep up the great work!
@randomthing4ev1     22 January, 2021
    Twitter randomthing4ev1:
Thank you for pointing out the vulnerability on our website! Very responsive.
@dtestitall     22 January, 2021
    Twitter dtestitall:
Thank you for finding the information disclosure vulnerability! Praveen was very responsive!
@hoshitabeman     21 January, 2021
    Twitter hoshitabeman:
It was very helpful for me to point out that I forgot to delete!