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PatchSiren cyber security CVE debrief

CVE-2026-28180 Mercado Pago CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-06T15:16:53.937Z and has not been modified since then. CVE-2026-28180 is an unauthenticated Insecure Direct Object References (IDOR) vulnerability in the Mercado Pago payments for WooCommerce plugin versions <= 8.9.0. This vulnerability can be exploited by attackers to access sensitive payment information, potentially leading to financial losses and reputational damage. The vulnerability has a CVSS score of 5.3 and is classified as MEDIUM severity. WooCommerce users with Mercado Pago payments plugin version <= 8.9.0 should prioritize patching or mitigating this vulnerability. Security teams should review the affected scope and severity of the vulnerability and plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Vendor
Mercado Pago
Product
Mercado Pago payments for WooCommerce
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-06
Original CVE updated
2026-08-06
Advisory published
2026-08-06
Advisory updated
2026-08-06

Who should care

WooCommerce users with Mercado Pago payments plugin version <= 8.9.0 should prioritize patching or mitigating this vulnerability. The vulnerability can be exploited by attackers to access sensitive payment information, which can lead to financial losses and reputational damage. Security teams should review the affected scope and severity of the vulnerability and plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Technical summary

CVE-2026-28180 is an unauthenticated Insecure Direct Object References (IDOR) vulnerability in the Mercado Pago payments for WooCommerce plugin versions <= 8.9.0. The vulnerability has a CVSS score of 5.3 and is classified as MEDIUM severity. This vulnerability can be exploited by attackers to access sensitive payment information.

Defensive priority

Medium priority given the CVSS score of 5.3 and the unauthenticated IDOR vulnerability in a payment plugin.

Recommended defensive actions

  • Inventory and version checks for Mercado Pago payments for WooCommerce plugin
  • Apply patches or updates if available
  • Monitor for suspicious payment activity
  • Consider compensating controls like web application firewalls

Evidence notes

Evidence from Patchstack and NVD indicates an unauthenticated IDOR vulnerability in Mercado Pago payments for WooCommerce plugin version <= 8.9.0. The vulnerability allows attackers to access sensitive payment information. Defenders should verify the patch status of their WooCommerce installations and monitor for suspicious payment activity.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-06T15:16:53.937Z and has not been modified since then.