Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 469,195 coordinated disclosures
251,286 fixed vulnerabilities
622 bug bounties with 1246 websites
12,667 researchers, 978 honor badges

stfn | Security Researcher Profile


Security researcher stfn has already helped fix 430 vulnerabilities.



Researcher reputation:  40

How to contact me:
[email protected]

Award / Bug Bounty I prefer:
yes

Recommendations and Acknowledgements

    9 July, 2018
     BarnabyWalters Barnaby from BW Musical Instruments:
Stefan found an XSS vulnerability on my personal site and, when asked about it, was very helpful and quick to respond with information about how to reproduce and fix the issue. Thanks a lot!

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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:3494
Total reports on VIP sites:36
Total patched vulnerabilities:430
Total vulnerabilities on Hold (Open Bug Bounty):1
Recommendations received:1
Active since:03.04.2018



No posts in blog yet


Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
28.10.2019
On Hold
Cross Site Scripting
11.06.2019
unpatched
Cross Site Scripting
11.06.2019
unpatched
Cross Site Scripting
11.06.2019
unpatched
Cross Site Scripting
11.06.2019
unpatched
Cross Site Scripting
11.06.2019
patched
Cross Site Scripting
11.06.2019
unpatched
Cross Site Scripting
11.06.2019
patched
Cross Site Scripting
11.06.2019
unpatched
Cross Site Scripting
11.06.2019
unpatched
Cross Site Scripting
11.06.2019
unpatched
Cross Site Scripting
11.06.2019
unpatched
Cross Site Scripting
11.06.2019
unpatched
Cross Site Scripting
11.06.2019
unpatched
Cross Site Scripting
11.06.2019
unpatched
Cross Site Scripting
11.06.2019
patched
Cross Site Scripting
11.06.2019
unpatched
Cross Site Scripting
11.06.2019
unpatched
Cross Site Scripting
27.03.2019
unpatched
Cross Site Scripting
20.03.2019
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.