Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 296,893 coordinated disclosures
175,711 fixed vulnerabilities
237,403 websites, 17,844 VIP websites
8,021 researchers, 6,915 subscribers

JOSEFOX | Security Researcher Profile


Security researcher JOSEFOX has already helped fix 160 vulnerabilities.



Researcher reputation:  160

Real name:
Youssef ABYAA

How to contact me:
You can contact me : https://twitter.com/josef0x
or : [email protected]

Experience in Application Security
1-3 years

Award / Bug Bounty I prefer:
> Bounty (Paypal)
> Swag (T-shirt)
> Public acknowledgement

Halls of Fame:
https://buffer.com/security
http://secure.sony.net/hallofthanks

Recommendations and Acknowledgements

    18 February, 2018
     jacobjovelou Jacob J from 1x Innovations AB:
Excellent researcher that helped us to find several XSS vulnerabilities on our website. Very friendly and professional communication.
    26 October, 2018
     euvtechnology euvtechnology from Engel & Völkers Technology:
Dear Youssef, thank you for getting in touch and helping us keeping our webservices secure!
    8 October, 2018
     astroseekcom Petr9 from Astro-Seek.com:
JOSEFOX helped me with XSS vulnerability report. It's patched now. Thank you.
    5 September, 2018
     levofski Chris Levy from Strategies:
Very helpfully found and gave us the details of a bad vulnerability in a website. Now patched thanks to the good information.
    14 June, 2018
     seokerwang Seoker Wang from Pointimize:
Thanks for pointing out the vulnerabilities. Very helpful and appreciated!
    2 April, 2018
     icarus200510 Saeyoung Lee from Bucheon city, Korea:
Thank you for notifying us of the issue with the XSS vulnerability.
Very helpful and very much appreciated.
    9 March, 2018
     schill_gmbh Ingo Schill from Schill GmbH & Co. KG:
Thanks for pointing out the error on our website in a professional manner. Very much appreciated.
    6 March, 2018
     ronnyadsetts Ronny Adsetts from Nikon Owner Magazine:
Thanks for pointing out the error on our website in a professional manner. Very much appreciated.
    7 February, 2018
     ComponentSpace Web Master from ComponentSpace:
Thank you for notifying us of the issue with the 3rd party forum software we are using.
    6 February, 2018
     Tomas_Vojta Tomas from Comptabilisation.fr:
Good JOB! Thank you for link for mistake where is broken our one GET parameter

Shows the first 10 recommendations. See all.

Please login via Twitter to add a recommendation

Awards and Achievements


Number of Secured Websites

10+ Websites
50+ Websites
500+ Websites
WEB SECURITY VETERAN
1000+ Websites

Advanced Security Research

WAF Bypasser
CSRF Master
30+ Reports
AppSec Logic Master
30+ Reports
Fastest Fix
Fix in 24 hours

Outstanding Achievements

Secured OBB
OBB Advocate
Improved OBB

Commitment to Remediate and Patch

Patch Master
55% Patched
Patch Guru
65% Patched
Patch Lord
75% Patched

Recommendations and Recognition

REPUTABLE
10+ Recommends
FAMOUS
25+ Recommends
GLOBALLY TRUSTED
50+ Recommends

Research Statistics



Total reports:390
Total reports on VIP sites:37
Total patched vulnerabilities:160
Total vulnerabilities on Hold (Open Bug Bounty):12
Recommendations received:11
Active since:13.12.2017

Open Bug Bounty Certificate



Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
27.11.2018
On Hold
Cross Site Scripting
23.10.2018
On Hold
Cross Site Scripting
20.10.2018
On Hold
Cross Site Scripting
20.10.2018
patched
Cross Site Scripting
20.10.2018
patched
Cross Site Scripting
20.10.2018
patched
Cross Site Scripting
13.10.2018
On Hold
Cross Site Scripting
03.10.2018
patched
Cross Site Scripting
24.09.2018
On Hold
Cross Site Scripting
23.09.2018
patched
Cross Site Scripting
22.09.2018
patched
Cross Site Scripting
21.09.2018
patched
Cross Site Scripting
20.09.2018
patched
Cross Site Scripting
18.09.2018
On Hold
Cross Site Scripting
17.09.2018
On Hold
Cross Site Scripting
17.09.2018
On Hold
Cross Site Scripting
17.09.2018
patched
Cross Site Scripting
17.09.2018
On Hold
Cross Site Scripting
17.09.2018
On Hold
Cross Site Scripting
16.09.2018
On Hold
Cross Site Scripting

  Latest Patched

      grandgames.net
    Patched on 11.12.2018
      jackpot.de
    Patched on 11.12.2018
      avangate.com
    Patched on 11.12.2018
      edjoin.org
    Patched on 10.12.2018
      rabota.ua
    Patched on 10.12.2018
      casetify.com
    Patched on 10.12.2018
      pagalworld.org
    Patched on 10.12.2018
      bn.com.pe
    Patched on 09.12.2018
      kcentr.ru
    Patched on 09.12.2018
      atlantico.fr
    Patched on 09.12.2018

  Recent Recommendations

    11 December, 2018
     DolunayBakar:
Thanks to Armin to pointing us a XSS Vulnerability on our webpresence
    10 December, 2018
     openDemokrat:
Thank you for helping us to discover the XSS vulnerabilities on our sites. Because of you we managed to improve our security.
    7 December, 2018
     idmocanu:
Thank you for helping us to discover the XSS vulnerabilities on our sites. Because of you we managed to improve our security.
    7 December, 2018
     MihmSteve:
Thank you very much for the XSS reporting and assistance in remediation of this issue. It is very much appreciated!
    7 December, 2018
     PhilippeMachler:
Thank you very much for your report and your help.
We highly appreciate this.