Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 473,652 coordinated disclosures
254,755 fixed vulnerabilities
633 bug bounties with 1260 websites
12,927 researchers, 996 honor badges

calv1n Top Security Researcher Top Security Researcher of the Month Top VIP Security Researcher of the Month | Security Researcher Profile


Security researcher calv1n has already helped fix 17415 vulnerabilities.



Researcher reputation:  500

Real name:
André Calvinho

About me:
A security professional

How to contact me:
[email protected]

Experience in Application Security
over 5 years

Award / Bug Bounty I prefer:
Donations
Paypal: paypal.me/ACalvinho
Bitcoin: 13WaUodj7xtPL3UkpUUDU9YQy6GYW8ki65

Vouchers (eg. Amazon)
Software Licenses (eg. Keys)
Other types of digital work
Recommendations

Recommendations and Acknowledgements

    3 August, 2019
     NewLineHorizon1 Melisa from NewLineHorizon:
Dear,

Thanks for participating in responsible disclosure program.
The reports you submitted were extremely helpful to our team and provided us the details we needed to resolve the issues that you identified.
We are deeply committed to provide a safe and secure experience to our users and are therefore grateful for your efforts to help us improve our services.

Best Regards!
    24 July, 2019
     masayuki_oguni masayuki_oguni from manba:
Andre discovered the XSS vulnerability on our site and contacted us.
Thank you for your quick and polite response to my email.
Thank you!
    24 July, 2019
     masayuki_oguni masayuki_oguni from manba:
Andre discovered the XSS vulnerability on our site and let us know.
It was very helpful that you answered my questions quickly and politely.
Thank you.
    29 April, 2019
     pharmokan pharmokan from private:
Thank you Andre for reporting XSS on our site. All is fixed. Cheers.
    4 December, 2018
     owenborseth Owen from Porkbun LLC:
André found an XSS vulnerability on our site and let us know. He was great to work with and a friendly guy all around. Thanks!
    15 November, 2018
     corebox Jon from Corebox:
Andre found a vulnerability on one of our websites and responsibly reported it. Many thanks for letting us know.
    12 September, 2018
     NoelDeMartin Noel De Martin from MusicList:
André found a security problem we didn't think we could have. Thanks for helping keep the Internet secure!
    20 August, 2018
     n8manAfter Nathan from A Gift Inside:
Thanks for finding our XSS vulnerability and notifying us.
    11 May, 2018
     RikDhuyvetters Rik from The Reference:
André found an issue with the site we had also discovered. He handled this very correct.
Thank you, André.
    6 April, 2018
     ortic Remo from mesch:
Thanks to André for taking his time to find a security problem on a site of ours. The site is about to be shut down which he couldn't know, but he handled everything nice and smooth.

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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:58771
Total reports on VIP sites:962
Total patched vulnerabilities:17415
Recommendations received:37
Active since:30.09.2017
Top Security Researcher Awards: The Top Security Researcher 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 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 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 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 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 Submissions

Domain Reported Status Type
28.07.2019
unpatched
Cross Site Scripting
28.07.2019
patched
Cross Site Scripting
28.07.2019
patched
Cross Site Scripting
28.07.2019
patched
Cross Site Scripting
28.07.2019
patched
Cross Site Scripting
28.07.2019
patched
Cross Site Scripting
28.07.2019
unpatched
Cross Site Scripting
28.07.2019
patched
Cross Site Scripting
28.07.2019
unpatched
Cross Site Scripting
28.07.2019
unpatched
Cross Site Scripting
28.07.2019
unpatched
Cross Site Scripting
28.07.2019
unpatched
Cross Site Scripting
28.07.2019
unpatched
Cross Site Scripting
28.07.2019
unpatched
Cross Site Scripting
28.07.2019
unpatched
Cross Site Scripting
28.07.2019
unpatched
Cross Site Scripting
28.07.2019
unpatched
Cross Site Scripting
28.07.2019
patched
Cross Site Scripting
28.07.2019
unpatched
Cross Site Scripting
28.07.2019
unpatched
Cross Site Scripting

  Latest Patched

 07.12.2019 neuvoo.com
 06.12.2019 derby.ac.uk
 06.12.2019 thesolesupplier.co.uk
 06.12.2019 yourtango.com
 06.12.2019 dnr.mo.gov
 06.12.2019 tizianafausti.com
 06.12.2019 northumbria.ac.uk
 06.12.2019 nwrfc.noaa.gov
 05.12.2019 blizzard.com
 05.12.2019 ar.apkpure.ai

  Latest Blog Posts

30.11.2019 by IAMMUSTAFAQADRI
How to hack an app: 8 best practices for pen testing mobile apps
27.11.2019 by TahakhanTaha
Reflected xss in 360totalsecurity
21.11.2019 by TahakhanTaha
blind xss in apple
30.10.2019 by Nep_1337_1998
Denial of Service vulnerability in script-loader.php (CVE-2018-6389)
17.10.2019 by 0xrocky
Stored XSS

  Recent Recommendations

    6 December, 2019
     r0m01736939:
Thank you for your report. I was able to fix it quickly :)
    6 December, 2019
     Buchabstauber:
We would like to thank you for your valuable contribution in finding the XSS issue on our site! You have been very helpful!
    4 December, 2019
     fablabc:
Thanks for reporting a high risky issue to me. You are awesome
    4 December, 2019
     lbl_jd:
Gh05tPT found a XSS vulnerability on our site which I was able to fix quite quickly. Thanks for your help.
    4 December, 2019
     sanjurosaves:
Excellent discovery and discreet disclosure of an SQL injection vulnerability. Top tier security researcher.