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Open Bug Bounty mentioned in the
Top 6 Bug Bounty programs of
2022 by the InfoSec Institute

The Hacker News

Open Bug Bounty named among the
Top 5 Bug Bounty programs of 2021
by The Hacker News

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1,704,662 coordinated disclosures
1,383,264 fixed vulnerabilities
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JohnDoeTop-50 VIP Open Redirect Reporter Top Security Researcher of the Month Top VIP Security Researcher of the Month | Security Researcher Profile


Security researcher JohnDoe has already helped fix 2262 vulnerabilities.



Researcher reputation:  350

Contact email:
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Recommendations and Acknowledgements | Full List:

@Jhunnan     24 August, 2018
    Twitter Jhunnan tfaucher from LaBoutiqueOfficielle:
Merci à DrStach pour son signalement et sa réactivité pour nous apporter plus de précision, cela nous a permis de réagir rapidement.
@poinsart     21 March, 2018
    Twitter poinsart Stéphane Poinsart from Enseignement Supérieur:
DrStache a identifié et signalé plusieurs failles dont nous ne soupçonnions pas l’existence. Ses informations précises avec des exemples de requêtes et sa réactivité nous ont permis de les diagnostiquer et les corriger. Merci !
@bartmcpherson     21 March, 2018
    Twitter bartmcpherson Bart from CSU:
Thank you for the help.
@Genial_2017     20 March, 2018
    Twitter Genial_2017 jose sanchez sanchez from Mp3goo:
Excellent security specialist, I showed security problems that I did not know, thanks to he I could solve the problems on my site, highly recommended.
@Nut_Treat     27 February, 2018
    Twitter Nut_Treat Onno from Klacht.nl:
Highly skilled, excellent communication, highly recommended!
@SimonFonteneau     19 July, 2017
    Twitter SimonFonteneau Simon Fonteneau from Lesfourmisduweb:
Merci a Drstache pour son signalement ! J'ai pu corriger a rapidement !
@SMintrav     19 July, 2017
    Twitter SMintrav SMINTRAV from MINTRAV:
Thank you DrStache, with you, we patched our issue you was extremely helpful, responsive and knowledgeable in pointing us to the Xss vulnerabilities on our websites !
@JKrycha     22 March, 2017
    Twitter JKrycha Josef Krycha from Canon Europe Ltd.:
DrStache reported multiple vulnerabilities in Canon websites ranging form reflected XSS's, SQL injections to information disclosure. All findings were valid and the communication with him was quick and efficient. Thank you for your help and best of luck!
@bugfort26     9 March, 2017
    Twitter bugfort26 NB. from CDC:
Merci pour ces échanges, qui auront permis de remotiver nos fournisseurs!
@JNRIBETTE     3 March, 2017
    Twitter JNRIBETTE JN.RIBETTE from Kosmos:
Merci pour la détection des failles et pour les informations permettant de les corriger !
@RCnfpt     23 February, 2017
    Twitter RCnfpt RSSI from CNFPT:
Un grand merci à Dr Stache pour les informations transmises.
Cela nous a permis de réagir rapidement. Encore merci et bonne continuation.
@NicoBiot     23 February, 2017
    Twitter NicoBiot Nico B from CNFPT:
Merci à DrStache pour la détection de la faille et sa réactivité
@fmplaw     20 February, 2017
    Twitter fmplaw Florent.F from MEN - AC CRETEIL:
Une grande compétence et une super communication. Merci Dr Stache !
@Brit_Hotel     10 February, 2017
    Twitter Brit_Hotel Jean-Manuel from Brit Hotel:
Un grand merci pour votre réactivité et votre aide ! ;)
@meteociel     7 February, 2017
    Twitter meteociel Meteociel from Meteociel:
Thanks for the report of many XSS vulnerabilities for the Meteociel.fr site. Quick & precise answers.
@saitenforum     8 January, 2017
    Twitter saitenforum Jens from Saitenforum:
DrStache was extremely helpful, responsive and knowledgeable in pointing me to the vulnerabilities on my websites. I can highly recommend him! Keep up the great work. Thanks a lot!
@Winaskin     8 November, 2016
    Twitter Winaskin Vador from Winaskin.com:
Thank you DrStache, with you, we patched our issue ;-)
@apluscalgary     20 October, 2016
    Twitter apluscalgary Jon from Associations Plus:
Thanks to DrStache for his reports, and for his quick replies in confirming we had fixed the issues he identified.
@p4tpr0     14 October, 2016
    Twitter p4tpr0 RSSI from univ Lyon 2:
Bon travail et échange constructif avec les équipes.
@dnicolle_Pix_e     13 October, 2016
    Twitter dnicolle_Pix_e Dominique from N/A:
Merci pour la détection de la faille, et pour les indications nous permettant de la fixer.
@hgschulz     23 September, 2016
    Twitter hgschulz Henning Schulzrinne from edas.info:
DrStache was quick to respond to follow-up questions and allowed us to fix the issue. I appreciate the heads-up to better protect our users against XSS.
@CITYITSUPPORT     23 September, 2016
    Twitter CITYITSUPPORT Stergios Nikolopoulos from CITY College:
We would like to thank DrStache for the immediate information that provided to us in order to resolve this security vulnerability.

Thank you very much for your assistance. All the best!
@ArnY     15 September, 2016
    Twitter ArnY Webmaster from Université de Nantes:
Honest and always available. Very efficient!
@rssi_acami1     6 September, 2016
    Twitter rssi_acami1 RSSI from ac-amiens:
Clair et efficace. Merci.
@happyview_fr     2 September, 2016
    Twitter happyview_fr Matt from HappyV:
Merci pour la détection de la faille et votre aide à la résolution! bonne continuation. ++
@bsearch     29 August, 2016
    Twitter bsearch Marc from Bsearch:
DrStache's responses were very quickly and to the point. We would like to recommend DrStache for his knowhow in the security domain.
@Xavier_4545     26 August, 2016
    Twitter Xavier_4545 xavier from c-orleans:
DrStache replied in a moment and was very helpfull for fixing our issue... thanks a lot.
@rajo_ameh     25 August, 2016
    Twitter rajo_ameh Pascal from syrte:
Many thanks to DrStache for his report. We removed immediatly the SQL injection vulnerability!
@CreerSonBlog     20 August, 2016
    Twitter CreerSonBlog @CreerSonBlog from N/A:
Thanks, vulnerabilities have been validated, reproduced and code has been corrected.
@nikko_zzf     18 August, 2016
    Twitter nikko_zzf Nicolas from obs paris:
Issue quickly fixed thanks to DrStache informations. Thanks.
@J_L_Lacroix     15 August, 2016
    Twitter J_L_Lacroix Jean-Luc from Regains:
XSS vulnerability was removed quickly thank to the efficient assistance of DrStache.
@Jaecko1982     14 August, 2016
    Twitter Jaecko1982 Stefan C. from GLIWA GmbH:
After we got a notification, we contacted DrStache for further details; he replied very fast (within 4 minutes) with the crucial hint so we could fix the issue. Thanks a lot for your help!
@tat2bu     3 August, 2016
    Twitter tat2bu Simon from ARTE France Developpement:
DrStache was very quick to give us more insight on the vulnerability he found.

Many thanks for reporting this to us !
@kerri9494     2 August, 2016
    Twitter kerri9494 Kerri from CDS:
DrStache replied and reverified quickly. Very friendly and helpful. 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
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:3864
Total reports on VIP sites:435
Total patched vulnerabilities:2262
Recommendations received:34
Active since:31.07.2016
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
Top VIP Security Researcher Awards: 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

Reported Vulnerabilities

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  Latest Patched

 25.04.2024 seeu.edu.mk
 25.04.2024 xaxim.sc.gov.br
 25.04.2024 lacerdopolis.sc.gov.br
 24.04.2024 tap.mk.gov.lv
 23.04.2024 data.aad.gov.au
 23.04.2024 bitporno.to
 23.04.2024 sys01.lib.hkbu.edu.hk
 23.04.2024 srvm.gov.za
 22.04.2024 stc.edu.hk
 22.04.2024 friv5online.com

  Latest Blog Posts

04.12.2023 by BAx99x
Unmasking the Power of Cross-Site Scripting (XSS): Types, Exploitation, Detection, and Tools
04.12.2023 by a13h1_
$1120: ATO Bug in Twitter’s
04.12.2023 by ClumsyLulz
How I found a Zero Day in W3 Schools
04.12.2023 by 24bkdoor
Hack the Web like a Pirate: Identifying Vulnerabilities with Style
04.12.2023 by 24bkdoor
Navigating the Bounty Seas with Open Bug Bounty

  Recent Recommendations

    22 April, 2024
    genoverband:
Thank you for your invaluable help in ensuring the security of our domain and its visitors!
    10 April, 2024
    Mars:
Hatim uncovered a XSS bug that we were able to quickly resolve. Thanks very much for your assistance and help.
    8 April, 2024
    Panthermedia:
Thanks to the support of Hatim Chabik, we were able to identify and solve an XSS bug.
    5 April, 2024
    pubpharm:
Pooja found a XSS vulnerability on our website and provided us with the needed Information for replication and fixing the issue. Which she verified afterwards.
We thank her for the reporting and assistance.
    2 April, 2024
    genoverband:
Thank you for your invaluable help in ensuring the security of our domain and its visitors!