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608,127 coordinated disclosures
391,531 fixed vulnerabilities
924 bug bounties with 1,851 websites
18,741 researchers, 1198 honor badges

login_deniedTop-50 VIP XSS Researcher Top VIP Security ResearcherTop-50 VIP Open Redirect Reporter Top Security Researcher of the Month Top VIP Security Researcher of the Month | Security Researcher Profile


Security researcher login_denied has already helped fix 7928 vulnerabilities.



Researcher reputation:  1250

Real name:
Andre

About me:
Mathematician from Germany

How to contact me:
[email protected]

Experience in Application Security
1-3 years

Award / Bug Bounty I prefer:
Bounty Payment (e.g. PayPal via [email protected]);
Swag (T-shirt, cup, gimmick);
Recognition, thanks, fame;
Feedback would be nice.

Follow me on:
Twitter

Recommendations and Acknowledgements

@dusalnet     7 September, 2019
    Twitter dusalnet Blogmn.net from Blogmn.net:
Thank you for identifying the XSS issue on my site! You have been very helpful!
@dusalnet     7 September, 2019
    Twitter dusalnet Blogmn.net from Blogmn.net:
Thank you for identifying the XSS issue on my site! You have been very helpful!
@bethe     15 June, 2019
    Twitter bethe Thomas B :
Thank you very much for helping us to find and fix an unknown issue with our website.
@CSIRTCV     9 May, 2019
    Twitter CSIRTCV Team from CSIRT-CV:
Thank you for disclosing the XSS on a site under our constituency and all the info provided, so we were able to replicate the problem and initiate the fix.
@iGopherFr     8 May, 2019
    Twitter iGopherFr Audrey from iGopher:
He found an XSS security flaw on our website that we did not notice despite our security tests. I recommend Andre without hesitation!
@VKimWandel     1 May, 2019
    Twitter VKimWandel Andreas from von VKimWandel:
Vielen Dank für den Hinweis auf die Sicherheitsanfälligkeit auf unserer Website login_denied!
@YanezDeGomorra     5 April, 2019
    Twitter YanezDeGomorra Antonio Ranesi from antonioranesi.it:
Thanks you for your report on my website and and for your kind availability in providing the details immediately.
@myparadisio     3 April, 2019
    Twitter myparadisio Yves from Paradisio:
Thanks for pointing out the vulnerabilty on our website, login_denied!
@cvetochnica_flo     12 March, 2019
    Twitter cvetochnica_flo Maksim from FDW Ltd.:
Grateful for the bug! Found bug witch others did not find. And pleasant to talk to.
@samueldebacker     11 March, 2019
    Twitter samueldebacker Samuel from Typi:
Thank you Andre, we now have fixed the XSS issue you found.

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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
WEB SECURITY VETERAN
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

REPUTABLE Badge
FAMOUS Badge
GLOBALLY TRUSTED Badge
REPUTABLE
10+ Recommends
FAMOUS
25+ Recommends
GLOBALLY TRUSTED
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:35813
Total reports on VIP sites:2198
Total patched vulnerabilities:7928
Recommendations received:76
Active since:07.05.2017
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 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 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 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
Top VIP Security Researcher Awards: The VIP Top Security Researcher Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week

Open Bug Bounty Certificate


Researcher Certificate



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Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
16.05.2017
unpatched
Cross Site Scripting
16.05.2017
unpatched
Cross Site Scripting
16.05.2017
unpatched
Cross Site Scripting
16.05.2017
unpatched
Cross Site Scripting
16.05.2017
unpatched
Cross Site Scripting
16.05.2017
unpatched
Cross Site Scripting
16.05.2017
unpatched
Cross Site Scripting
16.05.2017
patched
Cross Site Scripting
15.05.2017
patched
Cross Site Scripting
14.05.2017
unpatched
Cross Site Scripting
14.05.2017
unpatched
Cross Site Scripting
14.05.2017
patched
Cross Site Scripting
14.05.2017
patched
Cross Site Scripting
13.05.2017
unpatched
Cross Site Scripting
13.05.2017
patched
Cross Site Scripting
12.05.2017
patched
Cross Site Scripting
12.05.2017
patched
Cross Site Scripting
12.05.2017
unpatched
Cross Site Scripting
12.05.2017
unpatched
Cross Site Scripting
11.05.2017
unpatched
Cross Site Scripting

  Latest Patched

 26.10.2020 cancer.net
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  Recent Recommendations

@rlaager     26 October, 2020
    Twitter rlaager:
Thank you for reporting a SQL injection vulnerability and making the web safer.
@mako_o9999     23 October, 2020
    Twitter mako_o9999:
Gdattacker found a XSS problem on one of our websites and reported to us. We were able to solve the problem quickly. Thank you so much!
@BizzdoD     21 October, 2020
    Twitter BizzdoD:
Many thanks to Sithu for bringing a XSS vulnerability on our site to our attention. He was very courteous in communications and helped verify that our patch solved the problem properly. Thank you Sir for helping making the Internet a safer place.
@markholt     20 October, 2020
    Twitter markholt:
Many thanks to T4rlix who helped disclose an XSS vulnerability on our website. Very good to deal with, thank you very much for reporting.
@vadus     19 October, 2020
    Twitter vadus:
Warbid helped disclose several vulnerabilities on our website. With his help, we were able to patch this issue and close up the vulnerability. Thank you very much for your help, and thank you for helping to make the web a safer place.