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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 | Full List:

@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.
@eco_sapiens     3 March, 2019
    Twitter eco_sapiens kidsinhalf from eco-sapiens:
Thanks ! Very professionnal and helpful
@ILT2010     1 March, 2019
    Twitter ILT2010 Dave from Spectronics:
Thank you login_denied for disclosing the XSS issue and the prompt professionally detailed info/PoC that initiated the fix.
@Timo_Ket     27 February, 2019
    Twitter Timo_Ket Timothee from Smart&Soft:
Thanks for your kind an prompt help with fixing XSS on our site !
@cyberday_gmbh     25 February, 2019
    Twitter cyberday_gmbh DLO from CYBERDAY GmbH:
thanks for reporting
@artentino     22 February, 2019
    Twitter artentino Pablo from Artentino:
Login_denied warned us about an issu an issue in our site which has been fixed. We\'re very grateful to him and we highly recommend him! Cheers!
@BullionInvestor     20 February, 2019
    Twitter BullionInvestor Norman from BullionInvestor:
Thank you Andre for your faithful support to find & fix an XSS vulnerability I haven\'t noticed.
@MihirGosai     31 January, 2019
    Twitter MihirGosai Admin from APKLinker:
Thanks for reporting vulnerability issues to APKLinker.
@kovnickg     29 January, 2019
    Twitter kovnickg Nick from FreshIT:
Andre reported about a XSS issue on our web site and provide detail by email. Thanks for making the internet safer!
@watergateweb     14 January, 2019
    Twitter watergateweb Alexios Tsiaparas from Watergate:
Thanks Andre for providing a very professional service. Your report provided all the information that we needed in order to rectify the XSS vulnerability that you have discovered.

Many thanks again!
@deepthoughts10     10 January, 2019
    Twitter deepthoughts10 Brian Clark from GC:
Thank you Andre for notifying us of the XSS issue you found but also in your quick reply with details that allowed us to isolate and fix the problem.
@_light_dem     7 January, 2019
    Twitter _light_dem Matteo from Mys:
Very professional and fast on reply, , it allowed us to find a xss vulnerability
@rowlandarcher     3 December, 2018
    Twitter rowlandarcher Rowland from Hittin' The Web Group LLC:
Very professional and responsive, helped me pinpoint and patch an XSS vulnerability. Great to work with, recommended.
@OdedOfek     27 November, 2018
    Twitter OdedOfek Oded from N/A:
Andre made us aware of a security issue we hadn't found before and we're now working on fixing it. Thanks Andre for being one of the god guys :-)
@RCikryt     30 October, 2018
    Twitter RCikryt Roman from N/A:
Hi Andre, thank you very much for XSS notification and details. I have just fixed it. Thanks a lot!
@andymarkelow     3 October, 2018
    Twitter andymarkelow Andrei Markelow from Online Buddies Inc.:
Thanks to Andre we could fix the vulnerability issue which was never discovered since many years!
@EdgeMediaNet     21 August, 2018
    Twitter EdgeMediaNet DevTeam from EDGE Media Network:
Andre was fantastic to work with. His feedback was valuable in finding issues on our sites. Friendly and very quick to answer. Highly recommended!!
@cb_ximo     21 August, 2018
    Twitter cb_ximo Kino from pista3:
Andre found out a vulnerability on our site. With his help we have solved it. Thanks a lot
@aboros     15 August, 2018
    Twitter aboros Boris from Officeshoes:
Andre discovered a XSS vulnerability on our web site. He reported the technical details very quick. Thank you!
@PaulDowding10     14 August, 2018
    Twitter PaulDowding10 Paul from Connectix:
Many thanks to Andre for providing a quick and professional service. Our XSS vulnerability was identified and patched within 24 hours. Excellent!
@b4tius     9 August, 2018
    Twitter b4tius dmitri from autoklad:
Thanks to Andre for helping to fix XSS vulnerability
@fotoloco1     30 July, 2018
    Twitter fotoloco1 Blaise from fotoloco:
Excellent report: I was easily able to patch the security vulnerability with Andre's report. Thanks!
@0xBashCat     18 July, 2018
    Twitter 0xBashCat Basil from Noneya Business:
Andre responsibly disclosed and helped us to patch a XSS vulnerability on several production websites. He was very professional with his communications, and we're very thankful for his help. Sending a swag bag overseas ended up being more complicated than expected. But Andre seems to be a great guy, and we want to show our appreciation in every way we can. Thank you, Andre!
@tnyaritm     13 July, 2018
    Twitter tnyaritm Tamás from Mediashop CEE:
Andre help us to find and fix XSS issue on our webshop!
Thank you for your help Andre!
@SandiSchleicher     5 July, 2018
    Twitter SandiSchleicher SSchleicher from iConsumer:
Andre notified us about an XSS issue which has been fixed thanks to his help. We appreciate your help Andre!
@teamhively     20 June, 2018
    Twitter teamhively Julian from Hively:
Thanks Andre for picking up an issue for us and for the prompt, friendly communication on the issue.
@eJumpMedia     15 June, 2018
    Twitter eJumpMedia Bogdan from eJump Media:
Thanks to Andre who found a vulnerability on a website I developed, I was able to fix it ASAP without any complications. His feedback was quick and accurate, with an open and nice attitude towards me. I strongly recommend Andre for anyone who faces security issues or anything related!
@luziczek     14 June, 2018
    Twitter luziczek Maciek from Fly4free.pl:
Thanks to Andre for finding and reporting XSS vulnerability which has been fixed.
@JoshHar25910089     12 June, 2018
    Twitter JoshHar25910089 Josh from ABA:
Thanks for finding the XSS vulnerability - very helpful, and he was quick to respond when I couldn't reproduce it.
@GlamiBackstage     11 June, 2018
    Twitter GlamiBackstage Ondřej Čech from Glami:
Thank you Andre for spotting an XSS exploit - We appreciated the feedback and information to help us resolve the issue promptly!
@wladiolo     11 June, 2018
    Twitter wladiolo Paolo from Fastweb:
Thanks Andre for your responsible disclosure, it was very appreciated and useful.
@SandiSchleicher     30 May, 2018
    Twitter SandiSchleicher SSchleicher from iConsumer:
Thanks for reporting the issue Andre. We always appreciate help to improve our service.
@Printerous1     21 May, 2018
    Twitter Printerous1 Ivan from Printerous:
Thank you for notifying us about security hole in our old website.
We didn't notice that there is a piece of old unused code that is still open to XSS breach.
@FalikSh55583121     21 May, 2018
    Twitter FalikSh55583121 Falik Sher from TruConversion:
Thank you Andre for reporting the problem. Now the vulnerability has been fixed.
Much appreciated.
regards
@Printerous1     3 May, 2018
    Twitter Printerous1 Ivan from Printerous:
Andre helped us very quickly and clearly. I am very thankful for his good will and reporting in a responsible manner.
@jcopley     23 April, 2018
    Twitter jcopley Joe Copley from oldhouses.com:
Andre was very helpful in identifying and resolving a vulnerability on our site. Many thanks!!
@fourhundredkg     16 April, 2018
    Twitter fourhundredkg 400kg from aim400kg:
Thanks for report about cookie hole on my site :)
@dmholtof     10 March, 2018
    Twitter dmholtof Don Holtof from Totally Fuzzzy:
Thanks to login_denied for the finding and reporting of the XSS vulnerability. All fixed now. Much appreciated.
@777livecams     8 March, 2018
    Twitter 777livecams Jan from 777 Systems:
Andre gave us detailed information about a vulnerability. Thank you very much!
@tobyweston     6 March, 2018
    Twitter tobyweston ELA from ELA:
Thanks to Andre for spotting an XSS exploit - We appreciated the feedback and information to help us resolve the issue promptly!
@ZonaZeroNet     3 March, 2018
    Twitter ZonaZeroNet Ramon from ZonaZero:
I would like to thank Andre for pointing us the XSS vulnerability at our site. Thank you very ,much!
@kojotyPL     2 March, 2018
    Twitter kojotyPL kojoty from opencaching.pl:
I would like to thank Andre for pointing us the XSS vulnerability at our site. Our community appreciate your help!
@LOcurrency     2 March, 2018
    Twitter LOcurrency Mario from LOC:
Thanks for a reporting the issue Andre, much appreciated. I'm thankful for the time you spent on investigating and reporting this in a responsible manner.
@Marcooo83     2 March, 2018
    Twitter Marcooo83 Marco from Marco's Box:
Thank you for reporting the problem that hit my blog. Now the vulnerability has been fixed.
@Forumotion     27 February, 2018
    Twitter Forumotion Team from Forumotion:
Andre helped us quickly, efficiently and friendly to fix an issue. Many thanks!
@almostdaniel     19 February, 2018
    Twitter almostdaniel daniel from N/A:
Andre responded to our inquiry with blazing speed, and exactly the amount of information we needed to track down the XSS issue. I'm very impressed, and thankful.
@Advertise_ru     31 January, 2018
    Twitter Advertise_ru Kirill from Advertise.ru:
Andre, thank you for your help.
We've fixed this XSS issue.
Best regards, Advertise.ru team.
@hhsecwatch     24 January, 2018
    Twitter hhsecwatch Hamish from Spikes:
I would like to thank Andre for his responsible disclosure of a XSS vulnerability. He provided us with sufficient detail to find the root cause and start working towards remediation. Keep up the good work!
@fernaandogaspar     17 January, 2018
    Twitter fernaandogaspar Fernando from Linha de Código:
Andre encountered a vulnerability and helped to solve it thank you very much.
@C_A_R_R_U     16 January, 2018
    Twitter C_A_R_R_U FFinn from CAR.RU:
Andre has found a bug that was indeed not that easy to find. We've fixed it and everything is fine now.
We appreciate your help very much, thank you for your time and help!
@gamingcfg     6 January, 2018
    Twitter gamingcfg Quiz from Gamingcfg:
Thank you Andre for your support is solving our XSS vulnerability. Because of your quick response, detailed explanation and good solution the problem was solved within 24 hours.
@gsw34472742     2 January, 2018
    Twitter gsw34472742 Graeme W from N/A:
Thanks for pointing out the vulnerability in my site. I thought because I'd protected against script injection everything was ok but I hadn't considered reflected XSS
@hit_ike     22 December, 2017
    Twitter hit_ike Ikeda from Dai:
Thank you for your report, we fixed it.
Greatly appreciated.
@ggocsei     16 December, 2017
    Twitter ggocsei Gábor Göcsei from www.napi.hu:
Andre was really fast and correct. Thank you everything!
@FUTBOL_TV_com     25 November, 2017
    Twitter FUTBOL_TV_com Luchezar from Futbol TV:
Andre detected and pointed out an xss vulnerability in our website and we were able to fix it. Thanks again!
@nietofarias     17 November, 2017
    Twitter nietofarias Ignacio Nieto from Despegar:
Andre pointed us an XSS vulnerability on our website and we really appreciate that. There' re a few people like him that do this work selflessly. Thank you!
@Alkis_Mar     16 November, 2017
    Twitter Alkis_Mar Alkis from apothema:
Thank you Andre for the alert to the XSS vulnerability. You are the best!
@styledev     7 November, 2017
    Twitter styledev Dewey from TechnoBuffalo:
Thank you again for alerting us to our issue.
@usetrippy     24 October, 2017
    Twitter usetrippy John from Trippy:
Andre was very helpful with multiple emails to check my initial fix and explain why I needed to modify it. Thanks for your help!
@asninua     20 October, 2017
    Twitter asninua Andrey from asn.in.ua:
Many thanks for your help
@play_fun_games     9 October, 2017
    Twitter play_fun_games Tyler from Playing Fun Games:
Thanks for alerting me to the XSS vulnerability and providing detailed information about the bug.
@hitsteps     7 October, 2017
    Twitter hitsteps Jason from Hitsteps:
When Andre contacted us, our first reaction was denial.
How can somebody find a bug in our application.
He described it with examples, and Yes, bug was real and could cause danger. We've checked our logs and we got assured nobody compromised us before using this XSS vulnerability and we instantly fix this issue.
Thank you Andre for clear descriptions and fast replies, and helping us to secure our application.
@simondale101     23 September, 2017
    Twitter simondale101 Simon from Dale:
Nice XSS pickup, and clear explaination.
@carnevalifil     13 September, 2017
    Twitter carnevalifil Fil from Bk.it:
A precise and helpful notification that helped us securing our project!
An honest and professional researcher!
Thanks a lot!
@beaudge     8 September, 2017
    Twitter beaudge Rod from Enbridge:
Andre has been a very helpful and professional researcher to work with.

Thanks for the alert to the XSS vulnerability.
@rdrozd     8 September, 2017
    Twitter rdrozd Robert from Swiat Czytnikow:
Thanks for letting me know about the problem and detailed response.
@michaelsumner     5 September, 2017
    Twitter michaelsumner Michael from NameBio:
Thanks for the alert to the XSS vulnerability, and for the quick responses.

Please login via Twitter to add a recommendation

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:35924
Total reports on VIP sites:2200
Total patched vulnerabilities:7928
Total vulnerabilities on Hold (Open Bug Bounty):111
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


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Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting
30.10.2020
On Hold
Cross Site Scripting

  Latest Patched

 30.10.2020 123rf.com
 30.10.2020 t3n.de
 30.10.2020 489pro.com
 30.10.2020 dgtle.com
 29.10.2020 photobucket.com
 29.10.2020 istockphoto.com
 29.10.2020 skin.gs
 28.10.2020 plos.org
 28.10.2020 audiusa.com
 28.10.2020 um.es

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  Recent Recommendations

@benskiddle     30 October, 2020
    Twitter benskiddle:
Great disclosure of an SQL injection bug with good details to replicate the issue. Thank you.
@MizoueShumpei     29 October, 2020
    Twitter MizoueShumpei:
Thank you very much for your help.
@adridder     28 October, 2020
    Twitter adridder:
Thank you for your help with this XSS vulnerability on our site. We appreciate the responsible reporting via openbugbounty.
@gaborvitez     28 October, 2020
    Twitter gaborvitez:
Ajaysen R found a reflected cross site scripting bug in one of our cgi scripts, this way he helped us improve the security of our website. He was really fast to react, working with him was really a pleasure. We are grateful for the issues he made us aware of.
@Jobe1986     28 October, 2020
    Twitter Jobe1986:
Thank you for your efforts and reporting the XSS vulnerability you found on my website.