CVE-2026-28180: CWE-639 Authorization Bypass Through User-Controlled Key in Mercado Pago Mercado Pago payments for WooCommerce
Unauthenticated Insecure Direct Object References (IDOR) in Mercado Pago payments for WooCommerce <= 8.9.0 versions.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-639 (Authorization Bypass Through User-Controlled Key), affects Mercado Pago payments for WooCommerce versions up to 8.9.0. It allows unauthenticated attackers to exploit Insecure Direct Object References (IDOR) by manipulating user-controlled keys, potentially bypassing authorization controls. The CVSS 3.1 base score is 5.3, reflecting a medium impact primarily on confidentiality with no impact on integrity or availability. There is no vendor advisory or patch available at this time, and no known exploits in the wild have been reported.
Potential Impact
An attacker could gain unauthorized read access to certain resources or data within the Mercado Pago payments for WooCommerce plugin by exploiting the IDOR vulnerability. This could lead to limited confidentiality loss but does not affect data integrity or availability according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates. No specific temporary mitigations are provided in the available data.
CVE-2026-28180: CWE-639 Authorization Bypass Through User-Controlled Key in Mercado Pago Mercado Pago payments for WooCommerce
Description
Unauthenticated Insecure Direct Object References (IDOR) in Mercado Pago payments for WooCommerce <= 8.9.0 versions.
CVSS v3.1
Score 5.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-639 (Authorization Bypass Through User-Controlled Key), affects Mercado Pago payments for WooCommerce versions up to 8.9.0. It allows unauthenticated attackers to exploit Insecure Direct Object References (IDOR) by manipulating user-controlled keys, potentially bypassing authorization controls. The CVSS 3.1 base score is 5.3, reflecting a medium impact primarily on confidentiality with no impact on integrity or availability. There is no vendor advisory or patch available at this time, and no known exploits in the wild have been reported.
Potential Impact
An attacker could gain unauthorized read access to certain resources or data within the Mercado Pago payments for WooCommerce plugin by exploiting the IDOR vulnerability. This could lead to limited confidentiality loss but does not affect data integrity or availability according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates. No specific temporary mitigations are provided in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-02-25T12:14:40.739Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a749d34bf8831d539db9daa
Added to database: 08/06/2026, 14:41:56 UTC
Last enriched: 08/06/2026, 15:44:27 UTC
Last updated: 08/06/2026, 18:34:54 UTC
Views: 3
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