Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 328,823 coordinated disclosures
190,793 fixed vulnerabilities
408 bug bounties with 864 websites
9,211 researchers, 854 honor badges

npuser500 Top Security Researcher of the Month Top VIP Security Researcher of the Month | Security Researcher Profile


Security researcher npuser500 has already helped fix 2097 vulnerabilities.



Researcher reputation:  230

Real name:
Siruja M

How to contact me:
Email me at [email protected]
or you can DM me at @npuser500

Experience in Application Security
1-3 years

Recommendations and Acknowledgements

    17 July, 2018
     HamRadioOutlet Rich from HRO:
Excellent catch! We thought we fixed all XSS on our site but Siruja found one we missed. Even provided extra detail to test it. Thanks!
    17 October, 2016
     drewgierach Drew from Fishidy:
Thanks for the heads up. The relay was on purpose but we were not following the best practices. I appreciate the concern for our end users.
    11 September, 2018
     brianlmoon Brian Moon from DealNews.com, Inc.:
Siruja responsibility reported an XSS issue on our site. He graciously communicated the issue with us to allow us to resolve it.
    23 July, 2018
     rtournoy Raphaël from CCSD:
Siruja provided quick and helpful information which helped us fix the issue. Thank you !
    28 June, 2018
     sportovnivozy Lukas Hak from Sportovni vozy:
Thank you for finding a bug. You helped us a lot.
    27 June, 2018
     sportovnivozy Lukas Hak from Sportovni vozy:
Thank you for finding a bug.
    10 June, 2018
     MonoIsCool HellBlazer from metal-archives.com:
Thanks for the XSS vulnerability report! It has been fixed.
    2 March, 2018
     diego_borrelli Diego Borrelli from Fanpage.it:
thank you very much for the quick and helpful informations!
    26 February, 2018
     ben_braman Ben from Datatap:
Thanks for locating and reporting this bug!
    6 November, 2017
     ChiNangia Chi from Reppify:
Siruja, thank you for reporting the issue and being in communication with our team. Many, many thanks!

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Awards and Achievements


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:3811
Total reports on VIP sites:585
Total patched vulnerabilities:2097
Total vulnerabilities on Hold (Open Bug Bounty):136
Recommendations received:19
Active since:13.03.2016
Top Security Researcher Awards: Top Security Researcher of the Month Top Security Researcher of the Month Top Security Researcher of the Month Top Security Researcher of the Month Top Security Researcher of the Month Top Security Researcher of the Month
Top VIP Security Researcher Awards: Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month 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 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





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Reported Vulnerabilities

All Submissions VIP SubmissionsFeatured Submissions

Domain Reported Status Type
29.12.2018
On Hold
Cross Site Scripting
11.12.2018
patched
Cross Site Scripting
09.12.2018
On Hold
Cross Site Scripting
09.12.2018
On Hold
Cross Site Scripting
05.12.2018
patched
Cross Site Scripting
05.12.2018
On Hold
Open Redirect
02.12.2018
unpatched
Cross Site Scripting
02.12.2018
unpatched
Cross Site Scripting
02.12.2018
On Hold
Cross Site Scripting
02.12.2018
unpatched
Cross Site Scripting
25.11.2018
unpatched
Cross Site Scripting
23.11.2018
patched
Cross Site Scripting
20.11.2018
On Hold
Cross Site Scripting
20.11.2018
On Hold
Cross Site Scripting
20.11.2018
On Hold
Cross Site Scripting
20.11.2018
On Hold
Cross Site Scripting
17.11.2018
On Hold
Cross Site Scripting
13.11.2018
On Hold
Cross Site Scripting
22.10.2018
On Hold
Cross Site Scripting
11.10.2018
On Hold
Cross Site Scripting

  Latest Patched

 23.03.2019 redcross.org
 23.03.2019 etsu.edu
 23.03.2019 dump.xxx
 23.03.2019 vipon.com
 23.03.2019 jeuxjeuxjeux.fr
 23.03.2019 domainnamesales.com
 23.03.2019 bonprix.de
 23.03.2019 discogs.com

  Latest Blog Posts

22.03.2019 by HackerGautam
TLS 1.3 Genesis, Mechanism and Working
19.03.2019 by Open Bug Bounty
GDPR PII exposure can now be securely reported via Open Bug Bounty
24.02.2019 by ismailtsdln
Apple XSS Vulnerability - Proof of Concept (PoC)
24.02.2019 by ismailtsdln
How do you use an xss as a keylogger ?
23.02.2019 by ismailtsdln
Everything about XSS is in this source!

  Recent Recommendations

    22 March, 2019
     jcfmachado:
Thank you for your time and notification.
    19 March, 2019
     rogerdc01:
Ezio has helped me with a vulnerability. Answered very fast after some questions and showed the way to examine the issue. Very professional!
    19 March, 2019
     interactmultim1:
Thank you k0t for reporting this bug. We appreciate your work!
    19 March, 2019
     CoreInstance:
Armin, vielen Dank für deine professionelle Unterstützung! Dank deiner Hilfe, konnten wir die Schwachstelle bei unserem Kunden direkt beheben.
    18 March, 2019
     ArnY:
Un grand merci pour votre aide. Suite à votre retour rapide et précis la faille a été corrigée rapidement par nos équipes.