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jark | Security Researcher Profile


Security researcher jark has already helped fix 38 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.

Contact email:
[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

Ethics and Rules:
Jose Arquillo is required to abide by the ethics and rules of the Open Bug Bounty project. If you reasonably believe that rules are not respected, please report this to us.

Recommendations and Acknowledgements

@UUCSIRT     20 September, 2019
    Twitter 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+ 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:208
Total reports on VIP sites:20
Total patched vulnerabilities:38
Recommendations received:1
Active since:13.06.2019

Reported Vulnerabilities

All Submissions VIP Submissions




No posts in blog yet










  Latest Patched

 18.04.2024 recycleright.sa.gov.au
 17.04.2024 maps.bolton.gov.uk
 16.04.2024 fishwatch.gov
 16.04.2024 renewableenergy.gov.bd
 13.04.2024 lit.am
 13.04.2024 overnewton.vic.edu.au
 13.04.2024 catalog.edu.pl
 13.04.2024 brandee.edu.vn

  Latest Blog Posts

04.12.2023 by BAx99x
Unmasking the Power of Cross-Site Scripting (XSS): Types, Exploitation, Detection, and Tools
04.12.2023 by a13h1_
$1120: ATO Bug in Twitter’s
04.12.2023 by ClumsyLulz
How I found a Zero Day in W3 Schools
04.12.2023 by 24bkdoor
Hack the Web like a Pirate: Identifying Vulnerabilities with Style
04.12.2023 by 24bkdoor
Navigating the Bounty Seas with Open Bug Bounty

  Recent Recommendations

    10 April, 2024
    Mars:
Hatim uncovered a XSS bug that we were able to quickly resolve. Thanks very much for your assistance and help.
    8 April, 2024
    Panthermedia:
Thanks to the support of Hatim Chabik, we were able to identify and solve an XSS bug.
    5 April, 2024
    pubpharm:
Pooja found a XSS vulnerability on our website and provided us with the needed Information for replication and fixing the issue. Which she verified afterwards.
We thank her for the reporting and assistance.
    2 April, 2024
    genoverband:
Thank you for your invaluable help in ensuring the security of our domain and its visitors!
    20 March, 2024
    TechVitaverdura:
Great exchanges with this person, thank you for your help and your report