Read the docs

Insecure direct object reference in yshopmall after-sales API

Priority LOW 23CWE-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 · Low · None
Fix status
No fix listed

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

Summary

Yshopmall through 2.0.0 contains an insecure direct object reference in its after-sales API. An authenticated member can supply another member's after-sales id and orderCode to view that member's order items, and to modify or delete their after-sales records through deleteAfterSalesOrder, addLogisticsInformation, or GET /applyForAfterSales/{key}. The weakness is CWE-639, Authorization Bypass Through User-Controlled Key, and the CVSS 4.0 base score is 5.3 (MEDIUM). CISA's SSVC data lists exploitation as none, and the vulnerability is not in CISA KEV.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Description from the CNA

Yshopmall through 2.0.0 contains an insecure direct object reference vulnerability in the after-sales API that allows authenticated members to access other members' data by supplying their after-sales id and orderCode. Attackers can call deleteAfterSalesOrder, addLogisticsInformation, or GET /applyForAfterSales/{key} to view other members' order items and tamper with or delete their after-sales records.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00223 12th 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
None
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
guchengwuyueyshopmallup to 2.0.0—No fix listedCNA
  • yshopmall Vendorguchengwuyue Affected up to 2.0.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for yshopmall.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-110120
  2. 2026-10-13 Alias added: GHSA-q3pp-r67w-8848
  3. 2026-10-14 CISA SSVC decision points changed

References

  • TI-2024-34061 yshopmall V1.0 has an arbitrary file upload vulnerability, which can enable RCE or even… CVSS 3.1CRITICAL 9.8
  • TI-2025-18995 yshopmall <=v1.9.0 is vulnerable to SQL Injection in the image listing interface. CVSS 3.1HIGH 7.2
  • TI-2026-72003 Insecure direct object reference in yshopmall member address API CVSS 4.0HIGH 7.1
  • TI-2026-62350 yshop-crm through 2.1.3 Missing Authorization via Disabled Annotation on System User Listing CVSS 4.0HIGH 7.1
  • TI-2026-62349 yshop-crm through 2.1.3 Missing Authorization via CrmFlowController deleteFlowStep CVSS 4.0HIGH 7.1
  • TI-2026-62347 yshop-crm through 2.1.3 Missing Authorization via CRM Operation-Log Listing CVSS 4.0HIGH 7.1
See all 18 →

Sources