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CorvusPay WooCommerce Payment Gateway Plugin <= 2.7.4

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high advisory

CVE-2026-6939: Unauthenticated Stored XSS in CorvusPay WooCommerce Payment Gateway for WordPress

The CorvusPay WooCommerce Payment Gateway plugin for WordPress versions up to and including 2.7.4 is vulnerable to Stored Cross-Site Scripting (XSS), tracked as CVE-2026-6939, allowing unauthenticated attackers to inject malicious web scripts via the 'approval_code' parameter to the `/wp-json/corvuspay/success/` REST endpoint, which processes requests without proper signature validation, leading to script execution when a user accesses an affected page.

CorvusPay WooCommerce Payment Gateway plugin <= 2.7.4 +1 wordpress xss web-application plugin
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