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654,084 coordinated disclosures
410,610 fixed vulnerabilities
986 bug bounties with 1,971 websites
19,392 researchers, 1217 honor badges

atmon3r | Security Researcher Profile

Security researcher atmon3r has already helped fix 276 vulnerabilities.

Researcher reputation:  180

Real name:

About me:
French vulnerability and IT security research

How to contact me:
[email protected]

Alternative Contacts:
On twitter (@atmon3r)

Experience in Application Security
over 5 years

Award / Bug Bounty I prefer:
- Simple thank
- Bounty (Amazon, aliexpress, paypal)
- Swag (T-Shirt, goodiz etc)

Follow me on:

Recommendations and Acknowledgements

@seedfinder     6 May, 2020
    Twitter seedfinder j.a. from seedfinder:
Good guy!! Thanks a lot to the people who are using their time to fix other people websites, this really make the world a better place :) For us it was very helpful and his detailed info enabled us to fix our stuff fast!
@rlocman     30 April, 2020
    Twitter rlocman Semen from rloc:
Many thanks to atmon3r for the vulnerability found. Thanks to this, we were able to eliminate it.
@joeaseer     29 April, 2020
    Twitter joeaseer Joseph Aseer from Btape:
Thank you for educating me on vulnerabilities I was unaware of concerning my website. You communicated in a professional manner and suggested moderately simple fixes to resolve the issues.
@ChrisJ13002831     27 April, 2020
    Twitter ChrisJ13002831 Chris from PremierT:
Many thanks for the great report and the excellent communication, highly recommended!
@ChrisJ13002831     27 April, 2020
    Twitter ChrisJ13002831 Chris from PTiming:
Many thanks for the great report and the excellent communication, highly recommended!
@redsquirrel87     30 March, 2020
    Twitter redsquirrel87 redsquirrel87 from
Thanks to atmon3r I discovered a bug on my website that I had never noticed before and that was there for over 2 years. Also very kind in contacting me via Twitter, otherwise I would never have read about it. Really appreciated!
@tristramg     28 February, 2020
    Twitter tristramg Tristram Gräbener from
Thank you atmon3r for the discovery of a failure, and the very professional manner to report it
@jeannette     22 May, 2018
    Twitter jeannette Jeanne from mesri:
Thank you for reporting the bug on our website and your reactivity.
@y_caradec     18 May, 2018
    Twitter y_caradec yann from MESRI:
Thanks for the alert, the bug is now fixed.
@ArnY     20 April, 2018
    Twitter ArnY Arnaud Abélard from Université de Nantes:
atmon3r was very professional, very prompt to reply to our emails.

Shows the first 10 recommendations. See all.

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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:623
Total reports on VIP sites:29
Total patched vulnerabilities:276
Recommendations received:14
Active since:01.04.2018

Open Bug Bounty Certificate

Researcher Certificate

No posts in blog yet

Reported Vulnerabilities

All Submissions VIP SubmissionsFeatured Submissions

  Latest Patched


  Latest Blog Posts

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Bypass Addslashes using Multibyte Character
26.10.2020 by _r00t1ng_
One Payload to Inject them all - MultiQuery Injection
26.10.2020 by _r00t1ng_
Routed SQL Injection
26.10.2020 by _r00t1ng_
DIOS the SQL Injectors Weapon
26.10.2020 by p4c3n0g3
How to find AngularJS XSS

  Recent Recommendations

@obb_wr     2 December, 2020
    Twitter obb_wr:
Thanks Cyber_India for reporting the issue and for your prompt & friendly response.
@schelle85     2 December, 2020
    Twitter schelle85:
Thank you for your Report. We have fixed it.
@Sebasti53438355     2 December, 2020
    Twitter Sebasti53438355:
Nice contact, thanks for the report!
@rockpapercynic     2 December, 2020
    Twitter rockpapercynic:
Thanks for the report and recommendation! Fixed!
@studentdoctor     1 December, 2020
    Twitter studentdoctor:
Fantastic work by gdattacker, found errors on two of our sites that he helped us test following patching. Thanks!