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1,006,104 coordinated disclosures
628,906 fixed vulnerabilities
1,348 bug bounty programs, 2,698 websites
23,362 researchers, 1,318 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 8702 vulnerabilities.



Researcher reputation:  1300

Real name:
Andre

About me:
Mathematician from Germany

Contact email:
[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

@contadinoimpazz     2 January, 2021
    Twitter contadinoimpazz Alessandro from Testa:
He has provided us with precious information regarding cross-site scripting vulnerabilities on our site. Thanks
@AnimeCons     18 May, 2020
    Twitter AnimeCons Patrick from FanCons:
Found an XSS issue we had open...and was the first ever report we got via this site. Very helpful info!
@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!

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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:40879
Total reports on VIP sites:2351
Total patched vulnerabilities:8702
Recommendations received:78
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 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

Reported Vulnerabilities

All Submissions VIP Submissions




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  Latest Patched

 21.06.2021 govtech.com
 20.06.2021 gdrfad.gov.ae
 20.06.2021 realcommercial.com.au
 20.06.2021 allofustec.nnlm.gov
 19.06.2021 getchu.com
 19.06.2021 explorelearning.com
 19.06.2021 fibre2fashion.com
 19.06.2021 tme.eu
 18.06.2021 www1.caixa.gov.br
 18.06.2021 butantan.gov.br

  Latest Blog Posts

25.05.2021 by 0xrocky
Google XSS Game
25.05.2021 by ShivanshMalik12
Testing for XSS (Cross Site Scripting)
25.05.2021 by darklotuskdb
Easy XSS On Mostly Educational Websites Via Moodle
25.04.2021 by ParanjpeSanmarg
Testing Subdomain Takeover Vulnerability
11.04.2021 by Open Bug Bounty
Better Notifications Mechanism

  Recent Recommendations

@darione90     19 June, 2021
    Twitter darione90:
Many thanks to garlet_marco for finding an XSS vulnerability on our website!
@RyanBoehm12     16 June, 2021
    Twitter RyanBoehm12:
Vighnesh Gupta was professional, considerate, and thorough in helping us resolve a security flaw on our website. He communicated with in a timely manner, and provided all necessary support to fix the issue. I highly recommend him.
@rus_cert     16 June, 2021
    Twitter rus_cert:
Thanks for informing us about the vulnerability and providing helpful details :-)
@Cyber91998806     16 June, 2021
    Twitter Cyber91998806:
He responded to my mails quickly and helped us how to fix the vulnerability in a professional way. I recommended this guy.
@contactsplus     15 June, 2021
    Twitter contactsplus:
Tuhin reported 3 valid vulnerabilities to us of severities High, Medium and Low.

He was very professional and helped us recreate the issues until we were able to verify.
He was awarded a bounty for his efforts.

Thank you Tuhin!

Contacts+ Security Team.