Infosec Institute

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

Platform update: please use our new authentication mechanism to securely use the Open Bug Bounty Platform.
For security researchers
Report a Vulnerability
Submit, help fixing, get kudos.
For website owners
Start a Bug Bounty
Run your bounty program for free.
1,702,847 coordinated disclosures
1,382,137 fixed vulnerabilities
1,990 bug bounty programs, 3,918 websites
46,769 researchers, 1,651 honor badges

JOSEFOX | Security Researcher Profile


Security researcher JOSEFOX has already helped fix 190 vulnerabilities.



Researcher reputation:  230

Real name:
Youssef ABYAA

Contact email:
You can contact me on : https://twitter.com/josef0x OR : nodlerazz.014[at]gmail.com

Experience in Application Security
1-3 years

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

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

Recommendations and Acknowledgements

@jacobjovelou     18 February, 2018
    Twitter 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.
@UKClimbing     24 February, 2020
    Twitter UKClimbing Paul Phillips from UKClimbing:
Thanks for highlighting the XSS bug. Recommended researcher.
@Downnotify     31 March, 2019
    Twitter Downnotify Martin de Vries from DownNotifier.com:
Josefox did a good job reporting an CSRF vulnerability
@RESTPOSTENde     28 March, 2019
    Twitter RESTPOSTENde Christoph from GKS Handelssysteme GmbH:
Thanks to Youssef for pointing the finger to a vulnerbility on our website. Through his support we were able to patch it in almost no time. It's guys like him that make the internet a better and safer place!
@gizmotico     27 February, 2019
    Twitter gizmotico Andersen from VegaDesign.net:
Thank you for reporting a XSS vulnerability. Very much appreciated.
@euvtechnology     26 October, 2018
    Twitter euvtechnology euvtechnology from Engel & Völkers Technology:
Dear Youssef, thank you for getting in touch and helping us keeping our webservices secure!
@astroseekcom     8 October, 2018
    Twitter astroseekcom Petr9 from Astro-Seek.com:
JOSEFOX helped me with XSS vulnerability report. It's patched now. Thank you.
@levofski     5 September, 2018
    Twitter 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.
@seokerwang     14 June, 2018
    Twitter seokerwang Seoker Wang from Pointimize:
Thanks for pointing out the vulnerabilities. Very helpful and appreciated!
@icarus200510     2 April, 2018
    Twitter 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.

Shows the first 10 recommendations. See all.

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:443
Total reports on VIP sites:42
Total patched vulnerabilities:190
Recommendations received:15
Active since:13.12.2017

Open Bug Bounty Certificate


Researcher Certificate

Reported Vulnerabilities

All Submissions VIP Submissions




No posts in blog yet










  Latest Patched

 17.04.2024 maps.bolton.gov.uk
 16.04.2024 fishwatch.gov
 16.04.2024 renewableenergy.gov.bd
 13.04.2024 lit.am
 13.04.2024 overnewton.vic.edu.au
 13.04.2024 catalog.edu.pl
 13.04.2024 brandee.edu.vn
 12.04.2024 id.mta.gov.mv

  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

    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!
    20 March, 2024
    TechVitaverdura:
Great exchanges with this person, thank you for your help and your report