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Information disclosure in mall4j exposes other shoppers' cart items

Priority MEDIUM 57CWE-783Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

mall4j through 4.0 contains an information disclosure flaw caused by an operator precedence error in a SQL filter (CWE-783). An authenticated customer with any storefront account can read other shoppers' off-shelf cart entries, including product, SKU, quantity, shop and promoter card numbers. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

mall4j through 4.0 contains an information disclosure vulnerability that allows authenticated customers to read other shoppers' cart items due to an operator precedence error in the getShopCartExpiryItems SQL filter. Attackers with any storefront account can request GET /p/shopCart/expiryProdList to retrieve off-shelf product basket entries including product, SKU, quantity, shop, and promoter card numbers.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00217 12th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
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
gz-yamimall4jup to 4.0—No fix listedCNA
  • mall4j Vendorgz-yami Affected up to 4.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for mall4j.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-11 Threatist record created from CVE-2026-108690
  2. 2026-10-11 Alias added: GHSA-m4x2-mf8c-9rmw
  3. 2026-10-14 CISA SSVC decision points changed
  4. 2026-10-14 Priority changed: LOW → MEDIUM

References

  • TI-2026-65359 mall4j through 4.0 Missing Authentication in Password Update Endpoint CVSS 4.0CRITICAL 9.3
  • TI-2026-65360 mall4j through 4.0 Missing Authentication in Product Review Deletion CVSS 4.0MEDIUM 6.9
  • TI-2026-75401 Authorization bypass in Mall4cloud exposes buyer shipping addresses CVSS 4.0HIGH 7.1
  • TI-2026-65363 mall4j through 4.0 Missing Authorization in Admin User Address Endpoints CVSS 4.0HIGH 7.1
  • TI-2026-65361 mall4j through 4.0 Unauthenticated Shipment Tracking Disclosure via Order Number CVSS 4.0MEDIUM 6.3
  • TI-2026-70671 Operator precedence error in mall4j deletes other users' cart items CVSS 4.0MEDIUM 5.3
See all 9 →

Sources