Program Overview
X / xAI runs a bug bounty program on HackerOne. The program has 19 in-scope assets and is managed by HackerOne's triage team.
In-Scope Assets
| Asset | Type | Max Severity | Eligible |
|---|---|---|---|
| *.grok.com | WILDCARD | Critical | Bounty |
| *.twimg.com | WILDCARD | Critical | Bounty |
| *.twitter.biz | WILDCARD | Critical | Bounty |
| *.twitter.com | WILDCARD | Critical | Bounty |
| *.vine.co | WILDCARD | Critical | Bounty |
| *.x.ai | WILDCARD | Critical | Bounty |
| *.x.com | WILDCARD | Critical | Bounty |
| ai.x.GrokApp | APPLE_STORE_APP_ID | Critical | Bounty |
| ai.x.grok | GOOGLE_PLAY_APP_ID | Critical | Bounty |
| chat.x.com | URL | Critical | Bounty |
| com.atebits.Tweetie2 | APPLE_STORE_APP_ID | Critical | Bounty |
| com.twitter.android | GOOGLE_PLAY_APP_ID | Critical | Bounty |
| gnip.com | URL | Critical | Bounty |
| grok.com | URL | Critical | Bounty |
| grokipedia.com | URL | Critical | Bounty |
| money.x.com | URL | Critical | Bounty |
| t.co | URL | Medium | No Bounty |
| x.com | URL | Critical | Bounty |
| xadsacademy.com | URL | Medium | No Bounty |
Out-of-Scope Assets
- status.twitter.com
Tips for Hacking X / xAI
- 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 X / xAI?
Sign up on HackerOne, 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 X / xAI pay bounties?
Yes, X / xAI offers monetary rewards for valid security vulnerabilities.
What types of vulnerabilities does X / xAI accept?
X / xAI accepts reports for vulnerabilities found in their 19 in-scope assets. Common accepted vulnerability types include XSS, SQL injection, SSRF, IDOR, authentication bypass, and RCE. Check the program policy for specific exclusions.