Insecure direct object reference in yshopmall after-sales API
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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| guchengwuyue | yshopmall | up to 2.0.0 | — | No fix listed | CNA |
- 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
- 2026-10-13 Threatist record created from CVE-2026-110120
- 2026-10-13 Alias added: GHSA-q3pp-r67w-8848
- 2026-10-14 CISA SSVC decision points changed
References
Other 2
- https://github.com/guchengwuyue/yshopmall/blob/d1b20a2d76dfd98985410116db3aca8aca193b26/yshop-mall-boot/yshop-app/src/main/java/co/yixiang/sales/rest/StoreAfterSalesController.java#L151-L187
- https://github.com/guchengwuyue/yshopmall/blob/d1b20a2d76dfd98985410116db3aca8aca193b26/yshop-mall-boot/yshop-mall/src/main/java/co/yixiang/modules/sales/service/impl/StoreAfterSalesServiceImpl.java#L353-L383
More guchengwuyue vulnerabilities
- 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
Sources
- CVE-2026-110120 · CVE Program
- CVE-2026-110120 · NVD
- FIRST EPSS
- GHSA-q3pp-r67w-8848 · GitHub Advisory Database · CC BY 4.0
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