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1,301,406 coordinated disclosures
931,027 fixed vulnerabilities
1,624 bug bounty programs, 3,229 websites
29,192 researchers, 1,451 honor badges

Tanzil | Security Researcher Profile

Security researcher Tanzil has already helped fix 3428 vulnerabilities.

Researcher reputation:  310

Real name:
Tanzil Khan

About me:
Tech Geek
Love to find vulnerabilities :)
Work for Money $$$$

Contact email:
Contact me by direct email : [email protected]

Alternative Contacts:
mail : [email protected]

Certifications & Diplomas:
3-4 years

Award / Bug Bounty I prefer:
A Thanks/profile recommendation will be appreciated, with any of them given below:

-> Gifts, Gift_Cards, Mug

-> HOF

-> Payoneer (IBAN)
-> City Bank (Agent Banking) SWIFT
-> Cryptocurrency

Halls of Fame:
more will update s

Follow me on:

Ethics and Rules:
Tanzil Khan 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

@Tom76007886     28 March, 2022
    Twitter Tom76007886 Thomas from Iowa Food Foundation:
Tanzil reported an XSS vulnerability and was quick to respond with details. Tanzil was available for more information and help if we needed help to patch the issue. Thank you Tanzil for your diligent work and quick responses!
@lidlmiddleaisle     27 October, 2021
    Twitter lidlmiddleaisle Karl from ESNEFT:
Dear Tanzil, thanks for alerting us to XSS vulnerabilities on our site!
@kitcert     14 October, 2021
    Twitter kitcert Peter Oettig from Karlsruhe Institute of Technology:
KIT-CERT would like to thank Tanzil Khan for responsibly disclosing an XSS-Vulnerability on one of our departments websites and offering the time required to fix the issue!
@kieluni     2 August, 2021
    Twitter kieluni Jan Winters from Christian-Albrechts-Universität zu Kiel (CAU):
Thanks Tanzil for respectfully reporting a XSS problem on one of our department working group's servers from 2018. The vulnerable tool in question has been removed.
@NeilThePhoneGuy     19 February, 2021
    Twitter NeilThePhoneGuy James from PastTimesProject:
Thank you for informing us of the vulnerability and guidelines explaining the issue allowing us to implement a fix.
@WeaverOfWeb     9 February, 2021
    Twitter WeaverOfWeb Ewan from Pole Emporium:
Thanks for letting us know about this, much appreciated!
@JasonKeltz1     8 December, 2020
    Twitter JasonKeltz1 Jason from York University EECS:
Thank you Tanzil for reporting a cross-scripting vulnerability on one of our members course web sites from 2017, improving our web site security. The site in question has been removed.
@antpbe     8 December, 2020
    Twitter antpbe antp from
Thanks for the notification for a vulnerability that I missed, despite I thought having well checked.
@ResultClothing     12 November, 2020
    Twitter ResultClothing Erika from Result Clothing:
Appreciate your discovery and notification of a bug so that we can increase our security!
@avulatharun5531     16 September, 2020
    Twitter avulatharun5531 Tharun :
I would recommend tanzil. He is having great knowledge in cyber security.

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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:13576
Total reports on VIP sites:145
Total patched vulnerabilities:3428
Total vulnerabilities on Hold (Open Bug Bounty):562
Recommendations received:18
Active since:04.05.2020

Open Bug Bounty Certificate

Researcher Certificate

Reported Vulnerabilities

All Submissions VIP Submissions

No posts in blog yet

  Latest Patched


  Latest Blog Posts

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CVE 2022-29455 is still affecting millions of Wordpress sites
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Zabbix - SAML SSO Authentication Bypass
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The Time Machine — Weaponizing WaybackUrls for Recon, BugBounties , OSINT, Sensitive Endpoints and what not
15.02.2022 by sepkatpro
Ultimate XSS Polyglot
11.11.2021 by mistry4592
The Most used Chrome Extensions are Used For Penetration Testing.

  Recent Recommendations

@CERT_rlp     15 August, 2022
    Twitter CERT_rlp:
The team of CERT-rlp would like to thank ShiratoriYoshi for a responsible and coordinated disclosure of vulnerabilities
@luiztools     5 August, 2022
    Twitter luiztools:
Confirmo que Jonathan Fonseca (bypikeno) encontrou uma vulnerabilidade XSS em meu site, a qual está sendo providenciada a correção neste momento. Agradeço pelo aviso e disposição em ajudar.
@ThomasDBending     31 July, 2022
    Twitter ThomasDBending:
Thank you for finding an XSS vulnerability in my website.
@ThomasDBending     31 July, 2022
    Twitter ThomasDBending:
Thank you for finding an XSS vulnerability in my website.
@MrMoney84315336     26 July, 2022
    Twitter MrMoney84315336:
Thank you to @Legacy_Defender for reporting and providing prompt and courteous details on our website, leading to a quick and pain free resolution. Keep up the good work.