Researcher reputation:  230

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.

    24 February, 2020

     UKClimbing Paul Phillips from UKClimbing:

Thanks for highlighting the XSS bug. Recommended researcher.

    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.

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