Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 257,103 coordinated disclosures
153,913 fixed vulnerabilities
207,663 websites, 17,216 VIP websites
6,873 researchers, 6,915 subscribers

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


Security researcher npuser500 has already helped fix 1790 vulnerabilities.



Researcher reputation:  210

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

    23 July, 2018
     rtournoy Raphaël from CCSD:
Siruja provided quick and helpful information which helped us fix the issue. Thank you !
    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.
    22 June, 2016
     notedekd Note from DD:
Many thanks for a very quick and helpful information and recommendation.
    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

Research Statistics



Open Bug Bounty Certificate:Download
Total reports:2579
Total reports on VIP sites:536
Total patched vulnerabilities:1790
Total vulnerabilities on Hold (Open Bug Bounty):721
Recommendations received:18
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 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

Reported Vulnerabilities

All Submissions VIP SubmissionsFeatured Submissions

Domain Reported Status Type
20.08.2018
On Hold
Cross Site Scripting
20.08.2018
On Hold
Cross Site Scripting
20.08.2018
On Hold
Cross Site Scripting
20.08.2018
On Hold
Cross Site Scripting
20.08.2018
On Hold
Cross Site Scripting
20.08.2018
On Hold
Cross Site Scripting
20.08.2018
On Hold
Cross Site Scripting
20.08.2018
On Hold
Cross Site Scripting
19.08.2018
On Hold
Cross Site Scripting
19.08.2018
On Hold
Cross Site Scripting
18.08.2018
On Hold
Cross Site Scripting
18.08.2018
On Hold
Cross Site Scripting
18.08.2018
On Hold
Cross Site Scripting
18.08.2018
On Hold
Cross Site Scripting
18.08.2018
On Hold
Cross Site Scripting
18.08.2018
On Hold
Cross Site Scripting
14.08.2018
On Hold
Cross Site Scripting
14.08.2018
On Hold
Open Redirect
13.08.2018
On Hold
Cross Site Scripting
13.08.2018
On Hold
Cross Site Scripting

  Latest Patched

      groupon.cl
    Patched on 20.08.2018
      prnewswire.com
    Patched on 20.08.2018
      diwanmsr.com
    Patched on 20.08.2018
      answers.com
    Patched on 20.08.2018
      thesalarycalculator.co.uk
    Patched on 20.08.2018
      polyvore.com
    Patched on 20.08.2018
      statista.com
    Patched on 20.08.2018
      despegar.com.ar
    Patched on 19.08.2018
      de.statista.com
    Patched on 19.08.2018
      shouldianswer.com
    Patched on 19.08.2018

  Recent Recommendations

    24 July, 2018
     spudstuff:
Tarun is very professional and helpful. His research was exemplary and he comes highly recommended. Thanks Tarun!
    23 July, 2018
     rtournoy:
Siruja provided quick and helpful information which helped us fix the issue. Thank you !
    18 July, 2018
     hikingsite:
Thanks a lot Adel to help me to improve the security of my website. Your examples were very clear and to the point and your follow-up very thorough. Keep up the good work to make the internet a safer place!
    18 July, 2018
     AOKBayern:
Vielen Dank Armin, dass Sie eine Sicherheitslücke an uns gemeldet haben. Wir nehmen solche Dinge sehr ernst und konnten dank Ihren Hinweisen in Zusammenarbeit mit unserem technischen Dienstleister die Sicherheitslücke beseitigen.
    17 July, 2018
     HamRadioOutlet:
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!