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TI-2026-22520 Aliases CVE-2026-28180GHSA-qc5m-7r97-w8mq

WordPress Mercado Pago payments for WooCommerce plugin <= 8.9.0 - Insecure Direct Object References (IDOR) vulnerability

Priority LOW 30CWE-639Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

Unauthenticated Insecure Direct Object References (IDOR) in Mercado Pago payments for WooCommerce <= 8.9.0 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00313 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
None
Automatable
Yes
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
Mercado PagoMercado Pago payments for WooCommerceup to 8.9.0—No fix listedCNA
  • Mercado Pago payments for WooCommerce VendorMercado Pago Affected up to 8.9.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28180
  2. 2026-10-03 Alias added: GHSA-qc5m-7r97-w8mq

References

  • TI-2026-53678 Mercado Pago Node.js SDK through 3.4.0 Path Injection via Unencoded Identifiers in Payment Clients CVSS 4.0HIGH 8.8
  • TI-2022-22159 WordPress Mercado Pago payments for WooCommerce Plugin <= 6.3.1 is vulnerable to Cross Site Request Forgery (CSRF) CVSS 3.1HIGH 8.8
  • TI-2026-02771 Missing authorization in Mercado Pago payments for WooCommerce CVSS 3.1MEDIUM 5.3

Sources