Researcher reputation:  210

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.

    31 March, 2019

     Downnotify Martin de Vries from DownNotifier.com:

Josefox did a good job reporting an CSRF vulnerability

    28 March, 2019

     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!

    27 February, 2019

     gizmotico Andersen from VegaDesign.net:

Thank you for reporting a XSS vulnerability. Very much appreciated.

    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.

Shows the first 10 recommendations. See all.

Honor Badges

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

Distinguished Blog Author

1 Post	3 Posts	5+ Posts

Research Statistics

Open Bug Bounty Certificate