Vulnerability · Published Aug 6, 2026 · Assigned by Patchstack
CVE-2026-28180WordPress Mercado Pago payments for WooCommerce plugin <= 8.9.0 - Insecure Direct Object References (IDOR) vulnerability
Medium 5.3
In plain English
A medium-severity authorization bypass via user-controlled key in Mercado Pago payments for WooCommerce from Mercado Pago. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 75.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unauthenticated Insecure Direct Object References (IDOR) in Mercado Pago payments for WooCommerce <= 8.9.0 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mercado Pago | Mercado Pago payments for WooCommerce | n/a – through 8.9.0 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N