Program Overview
Mastercard Public Bug Bounty runs a bug bounty program on Bugcrowd with a maximum payout of $5,000. The program has 22 in-scope assets and is managed by Bugcrowd's triage team.
22
In-Scope Assets
$5,000
Max Payout
In-Scope Assets
| Asset | Type | Max Severity | Eligible |
|---|---|---|---|
| https://www.mastercard.us/en-us.html | WEBSITE | ||
| https://www.mastercard.ch/de-ch.html | WEBSITE | ||
| https://www.mastercard.ch/fr-ch.html | WEBSITE | ||
| https://www.mastercard.com.au/en-au.html | WEBSITE | ||
| https://www.mastercard.nl/nl-nl.html | WEBSITE | ||
| https://developer.mastercard.com | WEBSITE | ||
| https://donate.mastercard.com | WEBSITE | ||
| https://demo.priceless.com/ | WEBSITE | ||
| https://priceless.com/golf/ | WEBSITE | ||
| https://performancemarketing.mastercard.com/portal/ | WEBSITE | ||
| https://src.mastercard.com/profile/enroll | WEBSITE | ||
| https://src.mastercard.com/* | WEBSITE | ||
| SRC integration on https://masterpassteststore.com/. Only the Masterpass checkout functionality is in scope | WEBSITE | ||
| Finicity Connect | API | ||
| Finicity- Data Services | API | ||
| Finicity Decisioning | API | ||
| https://www.finicity.com | WEBSITE | ||
| https://consumer.finicityreports.com | WEBSITE | ||
| Finicity- Open Banking Payment History application | API | ||
| Finicity - OBB (Open Banking Business Service) | API | ||
| https://pioneer.truata.com/ | WEBSITE | ||
| Public Others Target | OTHER |
Tips for Hacking Mastercard Public Bug Bounty
- Read the policy — Understand what's in scope, out of scope, and any specific testing restrictions before you start.
- Enumerate the attack surface — Use subdomain enumeration and directory bruteforcing to map all accessible endpoints.
- Focus on high-impact bugs — Look for SQL injection, SSRF, and IDOR vulnerabilities first.
- Test authentication flows — Check for OAuth misconfigurations and CSRF in login/signup flows.
- Write clear reports — Include steps to reproduce, impact assessment, and suggested remediation. Use Burp Suite to capture evidence.
Frequently Asked Questions
How do I start hacking Mastercard Public Bug Bounty ?
Sign up on Bugcrowd, read the program policy carefully, review the in-scope assets listed above, and start testing. Always stay within scope and follow responsible disclosure guidelines.
Does Mastercard Public Bug Bounty pay bounties?
Yes, Mastercard Public Bug Bounty offers monetary rewards for valid security vulnerabilities.
What types of vulnerabilities does Mastercard Public Bug Bounty accept?
Mastercard Public Bug Bounty accepts reports for vulnerabilities found in their 22 in-scope assets. Common accepted vulnerability types include XSS, SQL injection, SSRF, IDOR, authentication bypass, and RCE. Check the program policy for specific exclusions.