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493,155 coordinated disclosures
268,909 fixed vulnerabilities
666 bug bounties with 1,344 websites
13,686 researchers, 1035 honor badges

PauloChoupina | Security Researcher Profile


Security researcher PauloChoupina has already helped fix 64 vulnerabilities.



Researcher reputation:  120

Real name:
Paulo R. C. Choupina

About me:
http://paulochoupina.com/

I have been reporting bugs since 2013 before it was a tendency/trend.
Before platforms like Hackerone, BugCrowd, OpenBugBounty, etc.

Before all that, I was doing it on my own.

Now is much easier. Back then, people didn't know what an ethical hacker was.

I try to be as active as one can.
My reported list includes: Nasa, GNU, .edu and .gov and some .pt (because I'm portuguese)

For any help or detailed info about the bugs, contact me!

How to contact me:
Via email: [email protected]

Experience in Application Security
over 5 years

Award / Bug Bounty I prefer:
Most people don't give anything.
And thats ok, I don't expect much in return..

Just a nice review in my profile would be enough.

But of course, if you wanna support me, anything is welcome!

Halls of Fame:
Microsoft:
https://portal.msrc.microsoft.com/en-us/security-guidance/researcher-acknowledgments-online-services
November 2019

https://security.olx.com/security-hall-of-fame.html
2019 position 8

Follow me on:
Twitter
Facebook

Recommendations and Acknowledgements

    18 March, 2019
     pmbfurtado Pedro Furtado from CustoJusto:
Paulo Choupina found and responsibly reported a vulnerability on our site. Thanks, Paulo for your help!
    20 June, 2019
     nomuthetart NathanB from [email protected]:
Paulo alerted us to a XSS vulnerability and when we had difficulty reproducing it walked us through his process which allowed us to patch it.
    18 June, 2019
     anorwood Adam Norwood from The University of Texas School of Law:
Thanks for pointing out an XSS vulnerability in the markup of one of our applications. Good to have it patched up.
    18 June, 2019
     JuniorTidal Junior Tidal from NYCCT Library:
Thank you Paulo for sharing your expertise. It is much appreciated!
    14 June, 2019
     mike_bobbitt Mike Bobbitt from Army.ca:
Paulo was very helpful in identifying vulnerabilities with our service - thanks!
    7 June, 2019
     gerryswan2 Gerry Swan from University of Kentucky:
Thanks Paulo for your thorough feedback. It was an easy fix with your help and examples.
    4 June, 2019
     filiperfreitas Filipe Freitas from JM:
Thank you Paulo for detecting and helping us fix the vulnerabilities. Much appreciated.
    4 June, 2019
     filiperfreitas Rodrigo Freitas from JM:
Thank you for sharing your findings Paulo and the way to correct them!

Please login via Twitter to add a recommendation

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:163
Total reports on VIP sites:21
Total patched vulnerabilities:64
Total vulnerabilities on Hold (Open Bug Bounty):42
Recommendations received:8
Active since:12.03.2019

Open Bug Bounty Certificate





No posts in blog yet


Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
20.12.2019
On Hold
Cross Site Scripting
20.12.2019
On Hold
Cross Site Scripting
10.12.2019
On Hold
Cross Site Scripting
04.12.2019
On Hold
Cross Site Scripting
28.11.2019
On Hold
Cross Site Scripting
23.11.2019
On Hold
Cross Site Scripting
21.11.2019
patched
Cross Site Scripting
21.11.2019
patched
Cross Site Scripting
21.11.2019
On Hold
Cross Site Scripting
21.11.2019
On Hold
Cross Site Scripting
20.11.2019
On Hold
Cross Site Scripting
20.11.2019
On Hold
Cross Site Scripting
20.11.2019
On Hold
Cross Site Scripting
20.11.2019
On Hold
Cross Site Scripting
20.11.2019
On Hold
Cross Site Scripting
19.11.2019
patched
Cross Site Scripting
19.11.2019
patched
Cross Site Scripting
19.11.2019
On Hold
Cross Site Scripting
19.11.2019
patched
Cross Site Scripting
19.11.2019
On Hold
Cross Site Scripting

  Latest Patched

 23.01.2020 upm.es
 23.01.2020 ag.idaho.gov
 23.01.2020 emc.ncep.noaa.gov
 23.01.2020 maxpixel.net
 23.01.2020 vidyard.com
 23.01.2020 torcedores.com
 23.01.2020 frandroid.com
 23.01.2020 dw.com
 22.01.2020 zotac.com
 21.01.2020 kosmo.com.my

  Latest Blog Posts

20.01.2020 by Rando02355205
XSS on "www.alibaba.com" (Alibaba WAF 405) Bypassed.
16.01.2020 by Open Bug Bounty
Brief Recap of Open Bug Bounty’s Record Growth in 2019
12.01.2020 by JCQ_47
WAF Cloudflare Bypass XSS at Nexusmods.com
08.01.2020 by devl00p
Top 100 Open Redirect dorks
08.01.2020 by Rando02355205
XSS WAF Bypassed

  Recent Recommendations

    22 January, 2020
     betterexplained:
Thanks for the bug report!
    22 January, 2020
     RohitIn20189381:
Nice work on finding that bug.
    21 January, 2020
     astroseekcom:
Thank you for report about SQL vulnerability.
    20 January, 2020
     PaulMar23292621:
Miguel showed us several information disclosure issues with our site. Thank you very much Miguel!
    20 January, 2020
     RssiUrca:
Thank you for this 4 reports. we appreciate this communication from you.