CVE-2026-5050— Payment Gateway for Redsys & WooCommerce Lite <= 7.0.0 - Improper Verification of Cryptographic Signature to Unauthenticated Payment Status Manipulation
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I. Basic Information for CVE-2026-5050
Vulnerability Information
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Vulnerability Title
Payment Gateway for Redsys & WooCommerce Lite <= 7.0.0 - Improper Verification of Cryptographic Signature to Unauthenticated Payment Status Manipulation
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Payment Gateway for Redsys & WooCommerce Lite plugin for WordPress is vulnerable to Improper Verification of Cryptographic Signature in versions up to, and including, 7.0.0 due to successful_request() handlers calculating a local signature but not validating Ds_Signature from the request before accepting payment status across the Redsys, Bizum, and Google Pay gateway flows. This makes it possible for unauthenticated attackers to forge payment callback data and mark pending orders as paid when they know a valid order key and order amount, potentially allowing checkout completion and product or service fulfillment without a successful payment.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
密码学签名的验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Payment Gateway for Redsys & WooCommerce Lite 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Payment Gateway for Redsys & WooCommerce Lite 7.0.0及之前版本存在安全漏洞，该漏洞源于加密签名验证不当，可能导致伪造支付回调数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| jconti | Payment Gateway for Redsys & WooCommerce Lite | 0 ~ 7.0.0 | - |
II. Public POCs for CVE-2026-5050
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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Dolibarr ERP CRM Online Signature security.lib.php dol_verif - CVE-2026-33467
Improper Verification of Cryptographic Signature in Elastic
V. Comments for CVE-2026-5050
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