Report a Vulnerability
Submit, help fixing, get kudos.
Start a Bug Bounty
Run your bounty program for free.
607,463 coordinated disclosures
391,276 fixed vulnerabilities
923 bug bounties with 1,850 websites
18,727 researchers, 1197 honor badges

calv1nTop-50 XSS Researcher Top Security ResearcherTop-50 VIP Open Redirect Reporter Top Security Researcher of the Month Top VIP Security Researcher of the Month | Security Researcher Profile


Security researcher calv1n has already helped fix 22043 vulnerabilities.



Researcher reputation:  510

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

@NewLineHorizon1     3 August, 2019
    Twitter 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!
@masayuki_oguni     24 July, 2019
    Twitter 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!
@masayuki_oguni     24 July, 2019
    Twitter 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.
@pharmokan     29 April, 2019
    Twitter pharmokan pharmokan from private:
Thank you Andre for reporting XSS on our site. All is fixed. Cheers.
@owenborseth     4 December, 2018
    Twitter 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!
@corebox     15 November, 2018
    Twitter corebox Jon from Corebox:
Andre found a vulnerability on one of our websites and responsibly reported it. Many thanks for letting us know.
@NoelDeMartin     12 September, 2018
    Twitter 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!
@n8manAfter     20 August, 2018
    Twitter n8manAfter Nathan from A Gift Inside:
Thanks for finding our XSS vulnerability and notifying us.
@RikDhuyvetters     11 May, 2018
    Twitter RikDhuyvetters Rik from The Reference:
André found an issue with the site we had also discovered. He handled this very correct.
Thank you, André.
@ortic     6 April, 2018
    Twitter 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.

Shows the first 10 recommendations. See all.

Please login via Twitter to add a recommendation

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:58771
Total reports on VIP sites:962
Total patched vulnerabilities:22043
Recommendations received:37
Active since:30.09.2017
Top Security Researcher Awards:Gold Star The Top Security Researcher Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month 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 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


Researcher Certificate



No posts in blog yet


Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
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
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
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
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

  Latest Patched

 23.10.2020 untappd.com
 23.10.2020 petmd.com
 23.10.2020 dafont.com
 23.10.2020 skylum.com
 23.10.2020 mtcom.ws
 23.10.2020 ibtimes.com
 23.10.2020 goo-net.com
 22.10.2020 totaljobs.com
 22.10.2020 gamesindustry.biz

  Latest Blog Posts

05.10.2020 by _r00t1ng_
Steal IP Address using Image
05.10.2020 by _r00t1ng_
DDOS Using SQL injection (SiDDOS)
05.10.2020 by _r00t1ng_
XSS Injection with SQLi
14.09.2020 by aninda_anon
VPS Cheatsheet for bug hunting
14.09.2020 by pk_12397
A Story of IDOR To Account Takeover

  Recent Recommendations

@mako_o9999     23 October, 2020
    Twitter mako_o9999:
Gdattacker found a XSS problem on one of our websites and reported to us. We were able to solve the problem quickly. Thank you so much!
@BizzdoD     21 October, 2020
    Twitter BizzdoD:
Many thanks to Sithu for bringing a XSS vulnerability on our site to our attention. He was very courteous in communications and helped verify that our patch solved the problem properly. Thank you Sir for helping making the Internet a safer place.
@vadus     19 October, 2020
    Twitter vadus:
Warbid helped disclose several vulnerabilities on our website. With his help, we were able to patch this issue and close up the vulnerability. Thank you very much for your help, and thank you for helping to make the web a safer place.
@pagel     18 October, 2020
    Twitter pagel:
Many thanks to cyberaz0r for pointing out a css vulnerability on our site. He was very pleasant to deal with and shared his knowledge openly.
@amswebs     16 October, 2020
    Twitter amswebs:
Thank you for your help with this XSS vulnerability. We appreciate the responsible reporting via openbugbounty.