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CVE-2026-76058— PayPal Brasil para WooCommerce <= 1.7.8 - Missing Authorization to Unauthenticated Payment Gateway Modification via 'bcdc_activation_update' Action

Quick assessment

Affected
odefranca PayPal Brasil para WooCommerce
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 的"PayPal Brasil para WooCommerce"插件在所有 1.7.8 及更早版本中均存在授权绕过漏洞。该问题源于插件未能正确验证用户是否具备执行特定操作的权限。这使得未经身份验证的攻击者能够禁用或启用 PayPal Brasil BCDC 支付网关，并覆盖其 WooCommerce 网关设置，从而导致所有客户在结账时无法使用 PayPal 支付。

CVSS 5.3 · Medium EPSS 0.26% · P18

Possible ATT&CK Techniques 1 AI

T1551.001

Affected Version Matrix 1

VendorProduct Version RangeStatus
odefranca PayPal Brasil para WooCommerce ≤ 1.7.8 affected
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I. Basic Information for CVE-2026-76058

Vulnerability Information
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Vulnerability Title
PayPal Brasil para WooCommerce <= 1.7.8 - Missing Authorization to Unauthenticated Payment Gateway Modification via 'bcdc_activation_update' Action
Source: CVE Program / CVE List V5
Vulnerability Description
The PayPal Brasil para WooCommerce plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.7.8. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to disable or enable the PayPal Brasil BCDC payment gateway and overwrite its WooCommerce gateway settings, removing PayPal from checkout for all customers.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
odefranca PayPal Brasil para WooCommerce 0 ~ 1.7.8 -

II. Public POCs for CVE-2026-76058

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-76058

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Vendor Advisories for CVE-2026-76058 (1)

Vendor Pages for CVE-2026-76058 (1)

Other References for CVE-2026-76058 (3)

IV. Related Vulnerabilities

Same product: PayPal Brasil para WooCommerce
Same weakness: CWE-862