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Open Bug Bounty mentioned in the
Top 6 Bug Bounty programs of
2022 by the InfoSec Institute

The Hacker News

Open Bug Bounty named among the
Top 5 Bug Bounty programs of 2021
by The Hacker News

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1,600,552 coordinated disclosures
1,250,083 fixed vulnerabilities
1,861 bug bounty programs, 3,729 websites
40,034 researchers, 1,612 honor badges

4websecurity Top VIP Security Researcher of the Month | Security Researcher Profile

Security researcher 4websecurity has already helped fix 1040 vulnerabilities.

Researcher reputation:  110

Real name:
Ilie Alexandru

About me: - We make the web a better place !

- We encourage you to contact us as soon as possible so we can help fixing the vulnerability reported to you !
- All informations will be kept private!

[email protected]

Contact email:
[email protected]

Alternative Contacts:

Experience in Application Security
over 5 years

Award / Bug Bounty I prefer:

Halls of Fame:
Nice ones:
GOV.UK ( (
CVE-2022-38553 (

Follow me on:

Ethics and Rules:
Ilie Alexandru is required to abide by the ethics and rules of the Open Bug Bounty project. If you reasonably believe that rules are not respected, please report this to us.

Recommendations and Acknowledgements

@uptheante     2 July, 2022
    Twitter uptheante Jan Intia from Affise:
Alex from 4websecurity was very helpful in making us aware of our website's vulnerability and also providing recommendation on how to patch it. They are the best at what they do. Great work and thank you again!
@BenjaminSponsor     11 May, 2023
    Twitter BenjaminSponsor Benjamin from Benjamin:
Thanks for making me aware Alex!
@DadadXXVIII     7 May, 2023
    Twitter DadadXXVIII Kix from ACB:
4WebSecurity discovered a vulnerability and quickly contacted us. Alex suggested a solution. Thank you very much.
@marcstorrs     5 May, 2023
    Twitter marcstorrs Marc from Evil Science:
Shout outs to Alex from 4websecurity for alerting me to a vulnerability in my shared hosting environment! Alex also went ahead and contacted the hosting company to alert them to the security issue in hopes of a quick patch roll out. Great work! Thank You!
@authornationtu1     14 July, 2022
    Twitter authornationtu1 Melody Ann from AuthorNation:
4WebSecurity found a vulnerability and let us know immediately. We needed some technical advice to solve it, which he provided. The fix was complete within 24hours. Much appreciated.
@amritanandh     14 July, 2022
    Twitter amritanandh Amrit Anandh from Cartimize:
Ilie from 4websecurity helped us discover a vulnerability on our website. They also helped us confirm the patch and made sure the website was secure. Super quick replies and very helpful. Thanks, Ilie.
@chrispugmire     10 July, 2022
    Twitter chrispugmire Chris Pugmire from NetWin Ltd:
Very helpful thanks for assisting us to resolve this problem quickly.
@LucaNardelli_IT     4 July, 2022
    Twitter LucaNardelli_IT Luca from Caricami:
Ilie from 4websecurity helped us discover a vulnerability in our website and his super quick responses allowed us to fix it. Great work and thank you!!

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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
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

10+ Recommends
25+ Recommends
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:42913
Total reports on VIP sites:635
Total patched vulnerabilities:1040
Total vulnerabilities on Hold (Open Bug Bounty):4
Recommendations received:8
Active since:20.06.2022
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 Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week

Open Bug Bounty Certificate

Researcher Certificate

Reported Vulnerabilities

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  Recent Recommendations

    22 September, 2023
Thank you for pointing out the vulnerability. Your report was very helpful!
    6 September, 2023
Much appreciated the notice from Dipu1a about our website. He provided clear guidelines to resolve and I'm looking forward to working with him in the future.
    5 September, 2023
Thank you very much for reporting the vulnerability. Good luck with your everything!!!
    4 September, 2023
Your report was very helpful! Thank you very much !
    25 August, 2023
Thank you for your help in ensuring the security of our domain and its visitors! Your contributions are invaluable.