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732,724 coordinated disclosures
435,644 fixed vulnerabilities
1140 bug bounties with 2,190 websites
20,542 researchers, 1255 honor badges

MLTTop-50 XSS Researcher Top Security Researcher Top VIP Security Researcher of the Month | Security Researcher Profile


Security researcher MLT has already helped fix 2021 vulnerabilities.



Researcher reputation:  20

Real name:
Matt Telfer

About me:
Back from hiatus. I will now be submitting vulnerabilities again.

How to contact me:
[email protected]

Experience in Application Security
over 5 years

Award / Bug Bounty I prefer:
$$$ (PayPal, Bitcoin, Bank Transfer)
Gift Cards (Amazon, etc)
T-Shirts, clothing
Food and Drinks :)

Recommendations and Acknowledgements

@zothar     9 March, 2016
    Twitter zothar David Sowder from UT Arlington:
MLT responded with the relevant details in a reasonable amount of time. Our thanks to MLT for providing this information.

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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
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:2542
Total reports on VIP sites:485
Total patched vulnerabilities:2021
Total vulnerabilities on Hold (Open Bug Bounty):6
Recommendations received:1
Active since:28.02.2015
Top Security Researcher Awards:Gold Star The Top Security Researcher Gold Star Top Security Researcher of the Month Gold Star Top Security Researcher of the Month
Top VIP Security Researcher Awards: Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week

Open Bug Bounty Certificate


Researcher Certificate



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Reported Vulnerabilities

All Submissions VIP SubmissionsFeatured Submissions

  Latest Patched

 15.01.2021 gehaltsvergleich.com
 15.01.2021 klerk.ru
 14.01.2021 engineering.com
 14.01.2021 qiqu.me
 14.01.2021 mettl.com
 14.01.2021 medion.com
 14.01.2021 universal.at
 14.01.2021 skillshare.com
 14.01.2021 webnots.com
 14.01.2021 bullguard.com

  Latest Blog Posts

25.12.2020 by _Y000_
How to bypass mod_security (WAF)
10.12.2020 by _Y000_
sql injection to bypass Mod_Security
10.12.2020 by _Y000_
Create encoded sql payloads
26.10.2020 by _r00t1ng_
Bypass Addslashes using Multibyte Character
26.10.2020 by _r00t1ng_
One Payload to Inject them all - MultiQuery Injection

  Recent Recommendations

@smiteworks     15 January, 2021
    Twitter smiteworks:
Rajesh was very helpful in providing information and penetration testing on our site. With this information, we were able to harden our infrastructure.
@matrixrewriter     15 January, 2021
    Twitter matrixrewriter:
We had no idea that this vulnerability existed in many PHP-based websites and you kindly reported it to us. Thanks for your help and all the best for your career!
@JoseLev41970568     14 January, 2021
    Twitter JoseLev41970568:
Specialist in web application penetration tester, student and passionate about computer security and ethical hacking.
@far00t1     14 January, 2021
    Twitter far00t1:
i recommend jose luis for his work and enthusiasm in helping us with our technological infrastructure.
@lorenzoherrera     14 January, 2021
    Twitter lorenzoherrera:
Raajesh reported us a nasty vulnerability that totally slipped through our radars, we didn't even know that was possible! Thanks to him and his thorough report we've been able to solve it and now our site is more secure! Thank you for your time and effor, Rajeesh!