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1,106,602 coordinated disclosures
684,105 fixed vulnerabilities
1,441 bug bounty programs, 2,889 websites
25,318 researchers, 1,377 honor badges

killua | Security Researcher Profile

Security researcher killua has already helped fix 14 vulnerabilities.

Researcher reputation:  20

Real name:
Mark William

Contact email:
[email protected]

Certifications & Diplomas:
3rd Year CS student

Experience in Application Security
< 1 year

Award / Bug Bounty I prefer:
Bug Bounty Payment(Paypal), Swag

Recommendations and Acknowledgements

@CERT_rlp     1 March, 2021
    Twitter CERT_rlp CERT-rlp from CERT-rlp:
The team of CERT-rlp would like to thank killua for a responsible and coordinated disclosure of an XSS vulnerability.

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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
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

10+ Recommends
25+ Recommends
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:77
Total reports on VIP sites:11
Total patched vulnerabilities:14
Recommendations received:1
Active since:06.02.2021

Reported Vulnerabilities

All Submissions VIP Submissions

No posts in blog yet

  Latest Patched


  Latest Blog Posts

08.10.2021 by NNeuchi
How I Found My First Bug Reflected Xss On PIA.GOV.PH(Philippine Information Agency)
26.08.2021 by PyaePhyoThu98
eG Manager v7.1.2: Improper Access Control lead to Remote Code Execution (CVE-2020-8591)
14.07.2021 by Open Bug Bounty
Interview With Open Bug Bounty
25.05.2021 by 0xrocky
Google XSS Game
25.05.2021 by ShivanshMalik12
Testing for XSS (Cross Site Scripting)

  Recent Recommendations

@lidlmiddleaisle     27 October, 2021
    Twitter lidlmiddleaisle:
Dear Tanzil, thanks for alerting us to XSS vulnerabilities on our site!
@cb_ximo     25 October, 2021
    Twitter cb_ximo:
Thank you for helping to make our site more secure
@abdelmouhsine1     25 October, 2021
    Twitter abdelmouhsine1:
Pooja found and reported a XSS vulnerability on our website. After contacting Pooja we promptly received a clear and detailed description making it easy for us to fix the issue within minutes. Thanks!
@atmunhost     25 October, 2021
    Twitter atmunhost:
I can confirm bypikeno has found an XSS vulnerability on our website, that was fixed quickly after. Thanks for the finding.
@CertCMEI     21 October, 2021
    Twitter CertCMEI:
Thank you for responsible disclosure of a vulnerability on one of our websites