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IDOR in PickMall lilishop lets buyers read other buyers' invoices

Priority MEDIUM 57CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

PickMall lilishop through 5.0.0 contains an insecure direct object reference (CWE-639) in its receipt lookup. An authenticated buyer who supplies another buyer's receipt id can read that buyer's invoice titles, taxpayer identification numbers, order numbers, member ids and member names.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

PickMall lilishop through 5.0.0 contains an insecure direct object reference vulnerability that allows authenticated buyers to read other buyers' invoice records because ReceiptServiceImpl.getDetail performs no ownership check. Attackers can supply another buyer's receipt id to GET /buyer/trade/receipt/{id} to obtain invoice titles, taxpayer identification numbers, order numbers, member ids and member names.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00315 24th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PickMalllilishopup to 5.0.0—No fix listedCNA
  • lilishop VendorPickMall Affected up to 5.0.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for PickMall lilishop.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-16 Threatist record created from CVE-2026-111647
  2. 2026-10-16 Alias added: GHSA-fhmc-q37v-9xhx
  3. 2026-10-18 CISA SSVC decision points changed
  4. 2026-10-18 Priority changed: LOW → MEDIUM

References

  • TI-2024-34067 lilishop <=4.2.4 is vulnerable to Incorrect Access Control, which can allow attackers to… CVSS 3.1HIGH 7.5
  • TI-2026-72006 Insecure direct object reference in PickMall lilishop freight endpoint CVSS 4.0MEDIUM 5.3
  • TI-2026-72005 PickMall lilishop IDOR lets sellers overwrite other stores' products CVSS 4.0HIGH 7.1

Sources