High
CVSS 8.6 IDOR HackerOne
Disclosure
CRITICAL -- Unauthenticated Order Status IDOR -- 6.2M+ Sipariste Mass Enumeration ve Real-Time Cart Monitoring
/ajax/get-order-status endpoint'i herhangi bir authentication veya authorization kontrolu olmadan, herhangi bir order_id icin siparis durumunu (status, refund_status) dondurur. ~6,210,000+ siparis numarasi enumerate edilebilir. 5 farkli status tipi ifsa edilmektedir: completed, expired, in_cart, sent, apply_refund. Real-time in_cart status izlem
- Target
- Gaming Marketplace
- Category
- IDOR
- Channel
- HackerOne
- Disclosed
- 2026-03
Redaction note
Vendor identity withheld.
This finding is documented here as part of MemCyber’s public disclosure record. The vendor has been anonymized to a sector and region descriptor. Full technical detail — including root cause, reproducible proof-of-concept, remediation guidance, and vendor attribution where granted — is available to qualified prospects under NDA.
Coordinated disclosure
How we handled it.
- Reported to the vendor via HackerOne with a reproducible proof-of-concept.
- Triage + remediation window coordinated with the vendor security team.
- Fix verified before any public reference.
- This record published only after the embargo period closed.