Security Bounty Program

Introduction

Security researchers play an important part in helping keep our product secure.

Our Security Bounty Program is our way to reward security researchers for finding and reporting security vulnerabilities to us.

Participation

The WHMCS Security Bounty Program is managed through private invite-only HackerOne program. Please use the contacts listed in the security.txt to send reports. If your report is valid, you will be invited to the private program.

Questions & Answers

Q: How do I participate?

The WHMCS Security Bounty Program is managed through private invite-only HackerOne program. Please use the contacts listed in the security.txt to send reports.

If you have identified a vulnerability, you must report it responsibly via our bounty program to be eligible for a reward. Not every report may qualify for a reward.

Q: How much do you pay for the discovery of security vulnerabilities?

Rewards range from $100.00 to $2,000.00 depending on the type and severity of the vulnerability being reported.

Payments are made via our private HackerOne program only, to which you will be invited if your report is valid.

Q: What qualifies as a vulnerability?

Any design or implementation issue within the WHMCS software that substantially affects the confidentiality or integrity of user data or the system.

Examples include:

Cross-site scripting
Cross-site Request Forgery
Privilege escalation
Authentication or Authorization flaws
Information Disclosure

The detailed scope will be sent to email upon request.

Q: What is out of Scope?

Known issues or previously reported vulnerabilities
Security vulnerabilities in third-party applications that integrate with WHMCS
Security vulnerabilities in the underlying operating system
All the issues listed in Core Ineligible Findings

Note: Vulnerability reports submitted regarding third party applications are communicated to the proper party and WHMCS works with these parties to coordinate a fix wherever possible.

Acknowledgements

We would like to thank the following individuals, researchers and firms who have helped make WHMCS better through responsible disclosure.