Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 469,181 coordinated disclosures
251,273 fixed vulnerabilities
622 bug bounties with 1246 websites
12,667 researchers, 978 honor badges

JOSEFOX | Security Researcher Profile


Security researcher JOSEFOX has already helped fix 180 vulnerabilities.



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.

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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



Total reports:420
Total reports on VIP sites:40
Total patched vulnerabilities:180
Recommendations received:14
Active since:13.12.2017

Open Bug Bounty Certificate





No posts in blog yet


Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
16.08.2019
unpatched
Cross Site Scripting
02.08.2019
patched
Cross Site Scripting
26.07.2019
patched
Cross Site Scripting
26.04.2019
patched
Cross Site Scripting
13.04.2019
patched
Cross Site Scripting
13.04.2019
unpatched
Cross Site Scripting
26.03.2019
unpatched
Cross Site Scripting
09.03.2019
unpatched
Cross Site Scripting
09.03.2019
unpatched
Cross Site Scripting
09.03.2019
unpatched
Cross Site Scripting
09.03.2019
unpatched
Cross Site Scripting
09.03.2019
patched
Cross Site Scripting
15.02.2019
unpatched
Cross Site Scripting
13.02.2019
patched
Cross Site Scripting
09.02.2019
patched
Cross Site Scripting
30.01.2019
unpatched
Cross Site Scripting
22.01.2019
unpatched
Cross Site Scripting
22.01.2019
patched
Cross Site Scripting
22.01.2019
unpatched
Cross Site Scripting
21.01.2019
patched
Cross Site Scripting

  Latest Patched

 20.11.2019 royalairmaroc.com
 20.11.2019 disneynow.com
 19.11.2019 agadir24.info
 19.11.2019 worcesterma.gov
 19.11.2019 ethiojobs.net
 19.11.2019 my-search.com
 19.11.2019 mobilecountyal.gov
 19.11.2019 dealmoon.com
 19.11.2019 lyricstranslate.com
 19.11.2019 unu.edu

  Latest Blog Posts

30.10.2019 by Nep_1337_1998
Denial of Service vulnerability in script-loader.php (CVE-2018-6389)
17.10.2019 by 0xrocky
Stored XSS
17.10.2019 by geeknik
The "S" in IOT is for Security
16.10.2019 by Fadavvi
Best XSS Vectors
01.10.2019 by Renzi25031469
#Security 100%

  Recent Recommendations

    19 November, 2019
     sbcsirt:
Dear fakessh,

Thank you for discovering the vulnerability of our website.
We were able to immediately fix this vulnerability thanks to your report.
We appreciate your kindness.

Best regards,
SoftBank CSIRT
    17 November, 2019
     Project84823360:
4N_CURZE did a great job locating and letting us know about vulnerabilities. He was detailed, professional and provided exceptional turnaround time. It was our pleasure to work with him! Thanks again.
    15 November, 2019
     hyperext_uk:
@Cyberanteater very kindly alerted us about a git vunerability on one of our websites which we promptly fixed. This also prompted us to audit all our other projects.

Much appreciated.
Steve
    15 November, 2019
     dalitso47152461:
Thanks for bringing the issue to our attention. The info you provided was very helpful and instrumental in getting a fix in place.
    14 November, 2019
     cloudrexx:
Thank you very much for making us aware of the issue and providing us a high quality vulnerability report which helped us identify the source of the vulnerability right away.