Program Overview
Avalara runs a vulnerability disclosure program on HackerOne. The program has 14 in-scope assets and is managed by HackerOne's triage team.
14
In-Scope Assets
7h
Avg Response
60%
Efficiency
174d
Avg Resolve
In-Scope Assets
| Asset | Type | Max Severity | Eligible |
|---|---|---|---|
| *.3ce.com | WILDCARD | Critical | No Bounty |
| *.avalara.com | WILDCARD | Critical | No Bounty |
| *.avalara.io | WILDCARD | Critical | No Bounty |
| *.avalara.net | WILDCARD | Critical | No Bounty |
| *.avalarabrasil.com.br | WILDCARD | Critical | No Bounty |
| *.certexpress.com | WILDCARD | Critical | No Bounty |
| *.crowdreason.com | WILDCARD | Critical | No Bounty |
| *.davosalestax.com | WILDCARD | Critical | No Bounty |
| *.impendulo.com | WILDCARD | Critical | No Bounty |
| *.inposia.com | WILDCARD | Critical | No Bounty |
| *.netleglobal.com | WILDCARD | Critical | No Bounty |
| *.papercrane.io | WILDCARD | Critical | No Bounty |
| *.track1099.com | WILDCARD | Critical | No Bounty |
| *.ttrus.com | WILDCARD | Critical | No Bounty |
Tips for Hacking Avalara
- 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 Avalara?
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 Avalara pay bounties?
No, Avalara runs a Vulnerability Disclosure Program (VDP) without monetary rewards. You may receive recognition or swag.
What types of vulnerabilities does Avalara accept?
Avalara accepts reports for vulnerabilities found in their 14 in-scope assets. Common accepted vulnerability types include XSS, SQL injection, SSRF, IDOR, authentication bypass, and RCE. Check the program policy for specific exclusions.