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614,471 coordinated disclosures
393,716 fixed vulnerabilities
929 bug bounties with 1,868 websites
18,832 researchers, 1200 honor badges

Oc3f Top VIP Security Researcher of the Month | Security Researcher Profile


Security researcher Oc3f has already helped fix 900 vulnerabilities.



Researcher reputation:  50

Real name:
Tadj Youssouf

About me:
Independent Security Researcher
Listed in many HoF: Google , Facebook, Microsoft, Mozilla CVE-2018-5176, Apple , bitdefender, Sony, AT&T, Western union, eBay, ...worked also as consultant for a lot of online banks under NDA contracts.

How to contact me:
[email protected]

Experience in Application Security
3-5 years

Halls of Fame:
Google : "tadj youssouf"

Recommendations and Acknowledgements

@xmajox     6 September, 2016
    Twitter xmajox Rodrigo from GetYourGuide:
Oc3f has helped us identify and fix a vulnerability with our platform. He was respectful and a pleasure to deal with. Keep up the good work!
@DIMDTM     20 November, 2017
    Twitter DIMDTM Driss from Dimelo:
Merci pour cette remontée de faille, nous avons pu la fixer rapidement !
@CorentinDIDIEUX     16 August, 2017
    Twitter CorentinDIDIEUX CorentinD from FitnessBoutique:
Merci Oc3f pour la remontée d'information ! :)
@TristanGuiheux     28 December, 2016
    Twitter TristanGuiheux Tristan Guiheux from Personal Recommendation:
0c3f has helped us many times to find and fix some issues on web sites we're protecting. This kind of help is greatly appreciated from a security perspective. This way we can improve ourselves and protect our customers. Thanks again in my name.
@SACHAVUKOVIC     1 August, 2016
    Twitter SACHAVUKOVIC Sacha_VUK from VIDAL:
Oc3f have find an issue on our web site, thanks for your works and help to fix it quickly !

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:1373
Total reports on VIP sites:314
Total patched vulnerabilities:900
Recommendations received:5
Active since:03.05.2016
Top Security Researcher Awards:Gold Star Top Security Researcher of the Month
Top VIP Security Researcher Awards: Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week

Open Bug Bounty Certificate


Researcher Certificate



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Reported Vulnerabilities

All Submissions VIP SubmissionsFeatured Submissions

Domain Reported Status Type
17.02.2019
unpatched
Cross Site Scripting
17.02.2019
patched
Cross Site Scripting
17.02.2019
unpatched
Cross Site Scripting
17.02.2019
unpatched
Cross Site Scripting
17.02.2019
unpatched
Cross Site Scripting
17.02.2019
unpatched
Cross Site Scripting
17.02.2019
unpatched
Cross Site Scripting
17.02.2019
unpatched
Cross Site Scripting
17.02.2019
patched
Cross Site Scripting
17.02.2019
unpatched
Cross Site Scripting
17.02.2019
patched
Cross Site Scripting
17.02.2019
unpatched
Cross Site Scripting
17.02.2019
unpatched
Cross Site Scripting
10.02.2019
unpatched
Cross Site Scripting
10.02.2019
patched
Cross Site Scripting
12.01.2019
unpatched
Cross Site Scripting
21.12.2018
unpatched
Cross Site Scripting
30.11.2018
patched
Cross Site Scripting
23.11.2018
patched
Cross Site Scripting
22.11.2018
unpatched
Cross Site Scripting

  Latest Patched

 31.10.2020 adsglobe.com
 31.10.2020 huduser.gov
 30.10.2020 prensa-latina.cu
 30.10.2020 dek-d.com
 30.10.2020 123rf.com
 30.10.2020 t3n.de
 30.10.2020 489pro.com
 30.10.2020 dgtle.com
 29.10.2020 photobucket.com
 29.10.2020 istockphoto.com

  Latest Blog Posts

26.10.2020 by _r00t1ng_
Bypass Addslashes using Multibyte Character
26.10.2020 by _r00t1ng_
One Payload to Inject them all - MultiQuery Injection
26.10.2020 by _r00t1ng_
Routed SQL Injection
26.10.2020 by _r00t1ng_
DIOS the SQL Injectors Weapon
26.10.2020 by p4c3n0g3
How to find AngularJS XSS

  Recent Recommendations

@Eiffel_Language     31 October, 2020
    Twitter Eiffel_Language:
Thank you for your efforts and reporting the XSS vulnerability you found on eiffel.org .
@benskiddle     30 October, 2020
    Twitter benskiddle:
Great disclosure of an SQL injection bug with good details to replicate the issue. Thank you.
@MizoueShumpei     29 October, 2020
    Twitter MizoueShumpei:
Thank you very much for your help.
@adridder     28 October, 2020
    Twitter adridder:
Thank you for your help with this XSS vulnerability on our site. We appreciate the responsible reporting via openbugbounty.
@gaborvitez     28 October, 2020
    Twitter gaborvitez:
Ajaysen R found a reflected cross site scripting bug in one of our cgi scripts, this way he helped us improve the security of our website. He was really fast to react, working with him was really a pleasure. We are grateful for the issues he made us aware of.