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288,454 fixed vulnerabilities
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15,005 researchers, 1071 honor badges

jark | Security Researcher Profile


Security researcher jark has already helped fix 30 vulnerabilities.



Researcher reputation:  20

Real name:
Jose Arquillo

About me:
Software Engineer, Independent Security Researcher, Spain based.

Contact me for information on what I have found on your website and I will try to respond as quickly as possible.

How to contact me:
[email protected]

Alternative Contacts:
https://twitter.com/jose_arquillo

Certifications & Diplomas:
-Bachelor Degree in Computer Engineering
-Master Degree in Cybersecurity

Experience in Application Security
< 1 year

Award / Bug Bounty I prefer:
-Recommendations here on OpenBugBounty
-Recommendations on Twitter
-Hall of Fame

If you feel generous:
-Tshirt
-Swag
-Paypal ([email protected])

Follow me on:
Twitter

Recommendations and Acknowledgements

    20 September, 2019
     UUCSIRT Hans Liss from Uppsala university:
Thank you very much for the report!

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:207
Total reports on VIP sites:20
Total patched vulnerabilities:30
Total vulnerabilities on Hold (Open Bug Bounty):1
Recommendations received:1
Active since:13.06.2019



No posts in blog yet


Reported Vulnerabilities

All Submissions VIP Submissions

Domain Reported Status Type
07.02.2020
On Hold
Cross Site Scripting
04.01.2020
unpatched
Open Redirect
04.01.2020
unpatched
Open Redirect
04.01.2020
unpatched
Open Redirect
03.01.2020
unpatched
Open Redirect
01.01.2020
unpatched
Cross Site Scripting
31.12.2019
unpatched
Cross Site Scripting
31.12.2019
unpatched
Cross Site Scripting
31.12.2019
unpatched
Cross Site Scripting
31.12.2019
unpatched
Cross Site Scripting
24.12.2019
unpatched
Open Redirect
24.12.2019
unpatched
Open Redirect
24.12.2019
unpatched
Open Redirect
24.12.2019
unpatched
Open Redirect
23.12.2019
unpatched
Cross Site Scripting
23.12.2019
unpatched
Cross Site Scripting
23.12.2019
unpatched
Cross Site Scripting
23.12.2019
unpatched
Cross Site Scripting
23.12.2019
unpatched
Cross Site Scripting
23.12.2019
unpatched
Cross Site Scripting

  Latest Patched

 07.04.2020 ranker.com
 06.04.2020 ac-grenoble.fr
 06.04.2020 prefeitura.sp.gov.br
 06.04.2020 cmb.fr
 06.04.2020 cdiscount.com
 06.04.2020 psu.edu
 06.04.2020 pornozak.name
 06.04.2020 www12.kissasian.ai
 06.04.2020 onlinejobs.ph

  Latest Blog Posts

04.04.2020 by Rando02355205
(Alibaba) message.alibaba.com [IDOR] - [Bug Bounty]
12.03.2020 by Rando02355205
(Paypal) www.paypal.com [CSP High Level] - [XSS Reflected] - [Bug Bounty] - [Write Up]
08.03.2020 by CybeReports
JDECO.net XSS Vulnerability| CybeReports
29.02.2020 by Rando02355205
(Google) groups.google.com - [Stored XSS] - [Bug Bounty] - [WriteUp] - [24/02/2020]
10.02.2020 by 0xrocky
Stored XSS on h2biz.net

  Recent Recommendations

    5 April, 2020
     christophmoar:
Cool and professional contact, quick response, I appreciate your effort.
Thanks!
    3 April, 2020
     KenDennis:
Brian helped to identify an XSS Vuln on a client's wordpress implementation and was quick and helpful to respond to our query. With his notes, we were able to quickly mitigate this issue and we appreciate his help and professionalism.
    2 April, 2020
     EmanuelePisapia:
I have really appreciated this researcher for his great skill and communication. He found a cross site scripting vulnerability on our service and help us fixing it. I recommend Broly157. He's a A++ researcher
    31 March, 2020
     reinisroz:
Thanks much, anguhari, for providing detailed information about XSS bug, found on our website. Highly recommended and professional security researcher!
    31 March, 2020
     admonaut:
Many thanks for your support and assistance. Good job :-)