Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 257,178 coordinated disclosures
153,920 fixed vulnerabilities
207,723 websites, 17,218 VIP websites
6,873 researchers, 6,915 subscribers

chess24 Bug Bounty Program

chess24 runs a bug bounty program to ensure the highest security and privacy of its websites. Everyone is eligible to participate in the program subject to the below-mentioned conditions and requirements of chess24

Open Bug Bounty performs triage and verification of the submissions. However, we never intervene to the further process of vulnerability remediation and disclosure between chess24 and researchers.

Bug bounty program allow all submissions.

Bug Bounty Scope

The following websites are within the scope of the program:


Non-Intrusive Submissions Handling

The following section encompasses submission of the vulnerabilities that do not require intrusive testing as per Open Bug Bounty rules:

- Cross Site Scripting (XSS)
- Open Redirect

- Cross Site Request Forgery (CSRF)
- Improper Access Control

General Requirements:


Testing Requirements:


Possible Awards:

Free Premium memberships or paid content.

Community Rating

Provided by security researchers who reported security vulnerabilities via this bug bounty program:

Response Time  How quickly researchers get responses to their submissions.
Remediation Time  How quickly reported submissions are fixed.
Cooperation and Respect  How fairly and respectfully researchers are being treated.

  Latest Patched
    Patched on 20.08.2018
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    Patched on 19.08.2018
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  Recent Recommendations

    24 July, 2018
Tarun is very professional and helpful. His research was exemplary and he comes highly recommended. Thanks Tarun!
    23 July, 2018
Siruja provided quick and helpful information which helped us fix the issue. Thank you !
    18 July, 2018
Thanks a lot Adel to help me to improve the security of my website. Your examples were very clear and to the point and your follow-up very thorough. Keep up the good work to make the internet a safer place!
    18 July, 2018
Vielen Dank Armin, dass Sie eine Sicherheitslücke an uns gemeldet haben. Wir nehmen solche Dinge sehr ernst und konnten dank Ihren Hinweisen in Zusammenarbeit mit unserem technischen Dienstleister die Sicherheitslücke beseitigen.
    17 July, 2018
Excellent catch! We thought we fixed all XSS on our site but Siruja found one we missed. Even provided extra detail to test it. Thanks!