Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 297,981 coordinated disclosures
175,981 fixed vulnerabilities
238,221 websites, 17,863 VIP websites
8,062 researchers, 6,915 subscribers

CGuillaume | Security Researcher Profile


Security researcher CGuillaume has already helped fix 49 vulnerabilities.



Researcher reputation:  0

Real name:
Guillaume C

How to contact me:
mail: [email protected]

Award / Bug Bounty I prefer:
bug bounty payment (Amazon, PayPal, Btc), goodies, hall of frame...

Recommendations and Acknowledgements

Please login via Twitter to add a recommendation

Awards and Achievements


Number of Secured Websites

10+ Websites
50+ Websites
500+ Websites
WEB SECURITY VETERAN
1000+ Websites

Advanced Security Research

WAF Bypasser
CSRF Master
30+ Reports
AppSec Logic Master
30+ Reports
Fastest Fix
Fix in 24 hours

Outstanding Achievements

Secured OBB
OBB Advocate
Improved OBB

Commitment to Remediate and Patch

Patch Master
55% Patched
Patch Guru
65% Patched
Patch Lord
75% Patched

Recommendations and Recognition

REPUTABLE
10+ Recommends
FAMOUS
25+ Recommends
GLOBALLY TRUSTED
50+ Recommends

Research Statistics



Total reports:90
Total reports on VIP sites:18
Total patched vulnerabilities:49
Active since:07.06.2017

Reported Vulnerabilities

All Submissions VIP SubmissionsFeatured Submissions

Domain Reported Status Type
08.06.2018
patched
Cross Site Scripting
18.11.2017
unpatched
Cross Site Scripting
13.10.2017
unpatched
Cross Site Scripting
13.10.2017
patched
Cross Site Scripting
13.10.2017
patched
Cross Site Scripting
13.10.2017
patched
Cross Site Scripting
13.10.2017
patched
Cross Site Scripting
13.10.2017
patched
Cross Site Scripting
11.10.2017
unpatched
Cross Site Scripting
10.10.2017
unpatched
Cross Site Scripting
08.10.2017
patched
Cross Site Scripting
08.10.2017
unpatched
Cross Site Scripting
08.10.2017
patched
Cross Site Scripting
08.10.2017
patched
Cross Site Scripting
08.10.2017
unpatched
Cross Site Scripting
08.10.2017
patched
Cross Site Scripting
08.10.2017
unpatched
Cross Site Scripting
08.10.2017
patched
Cross Site Scripting
08.10.2017
unpatched
Cross Site Scripting
07.10.2017
unpatched
Cross Site Scripting

  Latest Patched

      gate.io
    Patched on 16.12.2018
      alamy.com
    Patched on 16.12.2018
      freesfx.co.uk
    Patched on 16.12.2018
      eyrolles.com
    Patched on 15.12.2018
      data.gov.in
    Patched on 15.12.2018
      newsprofin.com
    Patched on 14.12.2018
      scalemates.com
    Patched on 14.12.2018
      tvtv.de
    Patched on 14.12.2018
      hdlava.me
    Patched on 14.12.2018
      toywiz.com
    Patched on 13.12.2018

  Recent Recommendations

    15 December, 2018
     dair_media:
Thank you for helping us to made our website more secure. Andrei has answered quick and friendly to our emails and provided detailed information on the issue and delivered solution to fix it.
    14 December, 2018
     Smartprix:
Thank you Mohamed for reporting the XSS vulnerability on our site. Great Job. Its been fixed now.
    13 December, 2018
     maennerformat:
Thank you very much for your friendly and uncomplicated help! :-)
    13 December, 2018
     wirthundhorn:
Thank you for your support on finding vulnerabilities on our site. Thus we could improve the security.
    12 December, 2018
     ISOatUO:
Very quick turnaround; Andrei provided accurate details immediately on contact, and also noticed when we'd put the fix in before being notified.