What this page helps you understand
IDOR testing needs more than a 200 response. Fixnx reports ID mutation as likely unless separate user contexts prove that one user accessed another user's object.
What this scan checks
ID-based URLs
Object mutation
Session-aware probes
Ownership markers
UserA/UserB proof
Response comparison
A real IDOR finding needs ownership proof
Changing an ID and receiving 200 is a signal, not proof. The response might be public, empty, or scoped correctly.
Fixnx keeps that distinction visible. Confirmed IDOR requires evidence that one user accessed data owned by another user.
For best results, provide userA and userB sessions so the scanner can compare ownership boundaries.
Example Fixnx finding
Issue: Sensitive route needs access-control review
Risk: High
Evidence: Fixnx found ID-like parameters and account-style route patterns in the public application surface.
Recommended fix: Verify authorization on the server for every object access and test with separate user contexts.
Object identifiers and account routes can expose data if ownership checks are missing or inconsistent.
What to fix first
- Critical exposed files, admin panels, secrets, or takeover paths.
- Broken HTTPS, missing redirects, weak SSL/TLS behavior, or unsafe cookie handling.
- Confirmed injection, XSS, access-control, authentication, or sensitive API evidence.
- High-impact security headers and browser protections that reduce attack impact.
- Medium and low hardening recommendations after the risky public evidence is fixed.
Trusted resources behind this guidance
Recommended Fixnx path
Follow these related pages to move from the current topic into the right scanner, guide, report, or comparison page without mixing search intent.
Map API routes, sensitive endpoints, and authenticated API risk.
Authentication Security TestingReview login, session, account recovery, and access behavior.
OWASP Top 10 ScannerMap scan findings into common OWASP web application risk areas.
API Security ChecklistPlan API authorization, endpoint, and data exposure review.
Sample Security ReportSee how Fixnx presents findings, severity, evidence, and fix order.
Run this check on your site
Enter a public URL and get a live Fixnx report with security, SEO, and performance checks.
Only scan websites you own or have explicit permission to test. Fixnx is built for defensive security checks and website protection. Unauthorized scanning may be illegal.
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FAQ
Why was my IDOR finding likely instead of confirmed?
Because the scan observed successful ID mutation but did not prove cross-user ownership exposure.
How do I confirm IDOR?
Provide two separate authenticated user contexts so the scanner can test user-owned resources across accounts.
What does IDOR Scanner check first?
It starts with id-based urls, then reviews object mutation, session-aware probes, and other public signals that can be checked safely from outside the site.
Can I use IDOR Scanner on any website?
Only scan websites you own or have explicit permission to test. Fixnx is built for defensive security checks and website protection. Unauthorized scanning may be illegal.
Does IDOR Scanner prove a site is completely secure?
No. A scan reports the public evidence it collected during a bounded test. It helps you find visible risk, but it cannot guarantee that every private workflow or server-side issue is safe.
Can Fixnx help me understand how to fix the findings?
Yes. Fixnx reports include evidence, severity, confidence, and remediation guidance so owners, developers, and security teams can decide what to fix first.