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532,749 coordinated disclosures
333,235 fixed vulnerabilities
784 bug bounties with 1,547 websites
15,883 researchers, 1098 honor badges

stfn | Security Researcher Profile


Security researcher stfn has already helped fix 431 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:431
Recommendations received:1
Active since:03.04.2018



No posts in blog yet


Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
11.06.2019
unpatched
Cross Site Scripting
27.03.2019
unpatched
Cross Site Scripting
20.03.2019
patched
Cross Site Scripting
20.03.2019
patched
Cross Site Scripting
08.01.2019
patched
Cross Site Scripting
25.08.2018
unpatched
Cross Site Scripting
22.08.2018
patched
Cross Site Scripting
14.08.2018
unpatched
Cross Site Scripting
14.08.2018
unpatched
Cross Site Scripting
14.08.2018
patched
Cross Site Scripting
13.08.2018
unpatched
Cross Site Scripting
13.08.2018
unpatched
Cross Site Scripting
07.08.2018
patched
Cross Site Scripting
07.08.2018
patched
Cross Site Scripting
07.08.2018
patched
Cross Site Scripting
01.08.2018
patched
Cross Site Scripting
21.07.2018
patched
Cross Site Scripting
21.07.2018
unpatched
Cross Site Scripting
17.07.2018
patched
Cross Site Scripting
16.07.2018
patched
Cross Site Scripting

  Latest Patched

 26.05.2020 plantronics.com
 26.05.2020 benditofutbol.com
 25.05.2020 alaneesqatar.qa
 25.05.2020 shorturl.at
 25.05.2020 torrentoon.com
 25.05.2020 www1.eeoc.gov
 25.05.2020 fcrs.treas.gov
 25.05.2020 bankiros.ru
 25.05.2020 eichberg.ws
 25.05.2020 dhs.mn.gov

  Latest Blog Posts

04.04.2020 by Rando02355205
(Alibaba) message.alibaba.com [IDOR] - [Bug Bounty]
12.03.2020 by Rando02355205
(Paypal) www.paypal.com [CSP High Level] - [XSS Reflected] - [Bug Bounty] - [Write Up]
08.03.2020 by CybeReports
JDECO.net XSS Vulnerability| CybeReports
29.02.2020 by Rando02355205
(Google) groups.google.com - [Stored XSS] - [Bug Bounty] - [WriteUp] - [24/02/2020]
10.02.2020 by 0xrocky
Stored XSS on h2biz.net

  Recent Recommendations

    25 May, 2020
     vovsoft:
Thank you very much for finding the bug on our website and your responsible disclosure. Absolutely appreciated. You make the web a better place!
    25 May, 2020
     JoseAnt29908185:
We are very grateful to Broly157 for his help. He found on our website a security vulnerability related to cross site scripting , so we contacted him and in a very short he gave us a more detailed report and some very useful guidelines to solve the problem.
    22 May, 2020
     b0b02:
Thanks a lot for alerting me of an XSS on my website, much appreciated. That's definitely GOOD PRACTICE :)
    21 May, 2020
     tuonetti:
Pranav found an outdated jQuery file in our website. Thanks!
    21 May, 2020
     tuonetti:
Abhijeet helped us configure more secure SPF settings.