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6 vulnerabilities by mercadopago
CVE-2026-76842 (GCVE-0-2026-76842)
Vulnerability from nvd – Published: 2026-08-24 13:11 – Updated: 2026-08-29 11:47
VLAI
EPSS
VEX
Title
Mercado Pago Node.js SDK through 3.4.0 Path Injection via Unencoded Identifiers in Payment Clients
Summary
The Mercado Pago Node.js SDK interpolates caller-supplied identifiers into API request paths without percent-encoding them, so characters that are structural in a URL survive into the outgoing request. The payment (get, capture, cancel), paymentRefund (create, total, list, get), advancedPayment (get, capture, cancel, update, updateReleaseDate) and disbursementRefund (create, createAll, listAll) clients build their path as a template literal, for example RestClient.fetch(`/v1/payments/${id}`, ...) in src/clients/payment/get/index.ts. A dot-dot or slash sequence in the identifier is normalised by the WHATWG URL parser and redirects the request to a different endpoint, and a question mark appends attacker-chosen query parameters, in both cases carrying the merchant's own access token. An application that forwards an identifier influenced by an untrusted party into one of these methods without an ownership check therefore allows that party to reach other resources within the merchant's token scope. The repository already contains the intended helper, encodePathParam in src/utils/path.ts, which pull request 451 applied to roughly 29 other clients while leaving these unchanged.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 17:24 UTC
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/mercadopago/sdk-nodejs | product |
| https://github.com/mercadopago/sdk-nodejs/blob/3.… | technical-description |
| https://github.com/mercadopago/sdk-nodejs/pull/451 | issue-trackingpatch |
| https://www.vulncheck.com/advisories/mercado-pago… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| mercadopago | mercadopago |
Affected:
0 , ≤ 3.4.0
(semver)
|
Date Public
2026-08-03 00:00
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CVE-2026-3208 (GCVE-0-2026-3208)
Vulnerability from nvd – Published: 2026-05-06 03:27 – Updated: 2026-05-06 12:20
VLAI
EPSS
VEX
Title
Mercado Pago payments for WooCommerce <= 8.7.11 - Missing Authorization to Unauthenticated PIX Payment QR Code Image Disclosure
Summary
The Mercado Pago payments for WooCommerce plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'mp_pix_image' WooCommerce API endpoint in all versions up to, and including, 8.7.11. This makes it possible for unauthenticated attackers to retrieve PIX payment QR code images for arbitrary orders. PIX QR codes contain sensitive merchant information including PIX keys (which may be CPF/CNPJ personal identifiers), transaction amounts, merchant name and city, and MercadoPago transaction references.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-06 12:20 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| mercadopago | Mercado Pago payments for WooCommerce |
Affected:
0 , ≤ 8.7.11
(semver)
|
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CVE-2022-45068 (GCVE-0-2022-45068)
Vulnerability from nvd – Published: 2023-03-01 13:35 – Updated: 2026-04-28 16:07
VLAI
EPSS
VEX
Title
WordPress Mercado Pago payments for WooCommerce Plugin <= 6.3.1 is vulnerable to Cross Site Request Forgery (CSRF)
Summary
Cross-Site Request Forgery (CSRF) vulnerability in Mercado Pago Mercado Pago payments for WooCommerce plugin <= 6.3.1.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-13 15:30 UTC
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://patchstack.com/database/vulnerability/woo… | vdb-entry |
| https://patchstack.com/database/vulnerability/woo… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mercado Pago | Mercado Pago payments for WooCommerce |
Affected:
n/a , ≤ 6.3.1
(custom)
|
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CVE-2026-76842 (GCVE-0-2026-76842)
Vulnerability from cvelistv5 – Published: 2026-08-24 13:11 – Updated: 2026-08-29 11:47
VLAI
EPSS
VEX
Title
Mercado Pago Node.js SDK through 3.4.0 Path Injection via Unencoded Identifiers in Payment Clients
Summary
The Mercado Pago Node.js SDK interpolates caller-supplied identifiers into API request paths without percent-encoding them, so characters that are structural in a URL survive into the outgoing request. The payment (get, capture, cancel), paymentRefund (create, total, list, get), advancedPayment (get, capture, cancel, update, updateReleaseDate) and disbursementRefund (create, createAll, listAll) clients build their path as a template literal, for example RestClient.fetch(`/v1/payments/${id}`, ...) in src/clients/payment/get/index.ts. A dot-dot or slash sequence in the identifier is normalised by the WHATWG URL parser and redirects the request to a different endpoint, and a question mark appends attacker-chosen query parameters, in both cases carrying the merchant's own access token. An application that forwards an identifier influenced by an untrusted party into one of these methods without an ownership check therefore allows that party to reach other resources within the merchant's token scope. The repository already contains the intended helper, encodePathParam in src/utils/path.ts, which pull request 451 applied to roughly 29 other clients while leaving these unchanged.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 17:24 UTC
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/mercadopago/sdk-nodejs | product |
| https://github.com/mercadopago/sdk-nodejs/blob/3.… | technical-description |
| https://github.com/mercadopago/sdk-nodejs/pull/451 | issue-trackingpatch |
| https://www.vulncheck.com/advisories/mercado-pago… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| mercadopago | mercadopago |
Affected:
0 , ≤ 3.4.0
(semver)
|
Date Public
2026-08-03 00:00
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CVE-2026-3208 (GCVE-0-2026-3208)
Vulnerability from cvelistv5 – Published: 2026-05-06 03:27 – Updated: 2026-05-06 12:20
VLAI
EPSS
VEX
Title
Mercado Pago payments for WooCommerce <= 8.7.11 - Missing Authorization to Unauthenticated PIX Payment QR Code Image Disclosure
Summary
The Mercado Pago payments for WooCommerce plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'mp_pix_image' WooCommerce API endpoint in all versions up to, and including, 8.7.11. This makes it possible for unauthenticated attackers to retrieve PIX payment QR code images for arbitrary orders. PIX QR codes contain sensitive merchant information including PIX keys (which may be CPF/CNPJ personal identifiers), transaction amounts, merchant name and city, and MercadoPago transaction references.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-06 12:20 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| mercadopago | Mercado Pago payments for WooCommerce |
Affected:
0 , ≤ 8.7.11
(semver)
|
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CVE-2022-45068 (GCVE-0-2022-45068)
Vulnerability from cvelistv5 – Published: 2023-03-01 13:35 – Updated: 2026-04-28 16:07
VLAI
EPSS
VEX
Title
WordPress Mercado Pago payments for WooCommerce Plugin <= 6.3.1 is vulnerable to Cross Site Request Forgery (CSRF)
Summary
Cross-Site Request Forgery (CSRF) vulnerability in Mercado Pago Mercado Pago payments for WooCommerce plugin <= 6.3.1.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-13 15:30 UTC
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://patchstack.com/database/vulnerability/woo… | vdb-entry |
| https://patchstack.com/database/vulnerability/woo… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mercado Pago | Mercado Pago payments for WooCommerce |
Affected:
n/a , ≤ 6.3.1
(custom)
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