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1,330,174 coordinated disclosures
968,467 fixed vulnerabilities
1,655 bug bounty programs, 3,277 websites
29,811 researchers, 1,457 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] / [email protected]

Alternative Contacts:
mail : [email protected] / [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 | Full List:

@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.
@CPCuk     13 August, 2020
    Twitter CPCuk Lee from Crescent Purchasing:
Thank you for reporting the XSS vulnerability. We were able to resolve the issue thanks to the information you provided.
@AsictIct     20 July, 2020
    Twitter AsictIct Security-Ict-Asict from Politecnico di Milano:
Dear Tanzil,

the SOC of Politecnico di Milano would like to thank you for disclosing us a XSS vulnerability on our infrastructure.
@sureshlinux     15 July, 2020
    Twitter sureshlinux Suresh from
Thank you very much for your efforts on finding this bug. It is really appreciated!
@SFgenealogy     13 July, 2020
    Twitter SFgenealogy Ron from SFgenealogy:
Appreciate your discovery and notification of a bug so that we can increase our security!
@Cajun_Lyrics     10 July, 2020
    Twitter Cajun_Lyrics Francis from
Thank you very much for letting me know about the vulnerabilities on my website, It is really appreciated!
@SNTech2     10 July, 2020
    Twitter SNTech2 Steve from Sharenet:
A big thanks for notifying us of the bug! Much appreciated.
@ziduniwien     8 July, 2020
    Twitter ziduniwien Zentraler Informatikdienst from University of Vienna:
Dear Tanzil,

The University of Vienna would like to thank you for your valuable contribution in finding multiple website security issues.
Your input is highly welcome and helps to raise the security level of our educational institution.

Servus and greetings from Vienna, Austria.
@matthews8000     29 June, 2020
    Twitter matthews8000 Matt from Sourceful:
Tanzil has successfully identified, researched and communicated a vulnerability. This has lead to an improvement in the security of the website.

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
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:14650
Total reports on VIP sites:167
Total patched vulnerabilities:3428
Total vulnerabilities on Hold (Open Bug Bounty):1512
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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Ultimate XSS Polyglot
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The Most used Chrome Extensions are Used For Penetration Testing.

  Recent Recommendations

@S1awek1     27 September, 2022
    Twitter S1awek1:
Krystian found a bug on my e-store website. Thanks Krystian :)
@anonpatcher     16 September, 2022
    Twitter anonpatcher:
Thank you to Dipu1A for making us aware of an XSS vulnerability on our site. We promptly patched it following their guidance!
@ClementBourgoin     16 September, 2022
    Twitter ClementBourgoin:
Thanks to Sébastien that helped me found a XSS vulnerability on a e-commerce website.
@Dave_J_Moran     9 September, 2022
    Twitter Dave_J_Moran:
Highly recommended and a huge thanks for assisting with the disclosure of an XSS Vulnerability, thanks for getting in touch!
@AsictIct     8 September, 2022
    Twitter AsictIct:
Dear O0TMT00,

the SOC of Politecnico di Milano would like to thank you for disclosing us the vulnerability on our infrastructure.