Infosec Institute

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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1,773,136 coordinated disclosures
1,465,498 fixed vulnerabilities
2,083 bug bounty programs, 3,998 websites
56,318 researchers, 1,732 honor badges

4websecurityTop-50 VIP Open Redirect Reporter Top Security Researcher of the Month Top VIP Security Researcher of the Month | Security Researcher Profile


Security researcher 4websecurity has already helped fix 11602 vulnerabilities.



Researcher reputation:  110

Real name:
Ilie Alexandru

About me:
4websecurity.com - We make the web a better place !

Seeing that all life is a magnificent illusion, a playing of energy, and there is absolutely nothing to be afraid of.

Love is the answer

Contact email:
[email protected]

Alternative Contacts:
https://4websecurity.com

Experience in Application Security
over 5 years

Award / Bug Bounty I prefer:
LOVE

Halls of Fame:
- GOV.UK (vdp.cabinetoffice.gov.uk/thanks.txt)
- Etherscan.io (etherscan.io/bugbounty)
- CVE-2022-38553 (github.com/4websecurity/CVE-2022-38553)
- h1 (hackerone.com/4websecurity)

And more...

Follow me on:
Twitter

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
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:42913
Total reports on VIP sites:635
Total patched vulnerabilities:11602
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 Gold Star Top Security Researcher of the Month
Top VIP Security Researcher Awards: Top VIP Security Researcher of the Month 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

All Submissions VIP SubmissionsFeatured Submissions

  Latest Patched

 11.01.2025 justice.gov.uk
 11.01.2025 angra.rj.gov.br
 10.01.2025 pequizeiro.to.gov.br
 10.01.2025 ias.gov.mo
 10.01.2025 araguana.to.gov.br
 05.01.2025 thurrock.gov.uk
 05.01.2025 diputados.gov.ar

  Latest Blog Posts

04.12.2023 by BAx99x
Unmasking the Power of Cross-Site Scripting (XSS): Types, Exploitation, Detection, and Tools
04.12.2023 by a13h1_
$1120: ATO Bug in Twitter’s
04.12.2023 by ClumsyLulz
How I found a Zero Day in W3 Schools
04.12.2023 by 24bkdoor
Hack the Web like a Pirate: Identifying Vulnerabilities with Style
04.12.2023 by 24bkdoor
Navigating the Bounty Seas with Open Bug Bounty

  Recent Recommendations

    20 December, 2024
    CygnusEd:
Thank you very much for your reporting a XSS vulnerability on my site.
Thanks also for the friendly communication!
Great job!
    10 December, 2024
    Sim:
Thank you for identifying an old development project. Information provided was clear allowing a swift removal of the offending code.
    10 December, 2024
    privacysafe:
Andrea is very professional and reported an issue responsibly and in a timely manner, with great communication about the scope and potential impact. Though it was a low-severity issue, this was nevertheless something in need of patching and we're always grateful at PrivacySafe to security researchers, especially hardworking volunteers like Andrea.
    9 December, 2024
    Spinner:
Reported an XSS vulnerability on our website, and provided enough details for us to fix it quickly. So helpful!!
    8 December, 2024
    Sim:
Many thanks for your reports highlighting a potential XSS bug where a validation step was out of sequence to the initial use.