CVE-2024-43315 in Stripe Payments for WooCommerce Plugin
Summary
by MITRE • 08/19/2024
Authorization Bypass Through User-Controlled Key vulnerability in Checkout Plugins Stripe Payments For WooCommerce by Checkout.This issue affects Stripe Payments For WooCommerce by Checkout: from n/a through 1.9.1.
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Analysis
by VulDB Data Team • 08/19/2024
The CVE-2024-43315 vulnerability represents a critical authorization bypass flaw within the Stripe Payments For WooCommerce plugin, specifically targeting the Checkout Plugins ecosystem. This vulnerability stems from improper handling of user-controlled keys that should normally be restricted to authorized administrative users. The flaw allows malicious actors to potentially manipulate authorization mechanisms through crafted inputs that control key parameters within the payment processing workflow. The vulnerability exists in versions prior to 1.9.2 of the plugin, creating a window of exposure where legitimate users might inadvertently grant unauthorized access to payment processing functions.
The technical implementation of this vulnerability falls under the CWE-285 category of improper authorization, specifically manifesting as an authorization bypass through user-controlled key manipulation. The flaw occurs when the plugin fails to properly validate or sanitize user inputs that are intended to control access keys or authentication tokens within the payment processing chain. Attackers can exploit this by crafting malicious requests that manipulate the key parameters, effectively circumventing the intended authorization controls. This typically involves manipulating request parameters that should be restricted to administrators or system-level users, allowing unauthorized individuals to perform actions they should not be permitted to execute.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass potential financial fraud and data compromise within WooCommerce environments. An attacker who successfully exploits this vulnerability could potentially process unauthorized payments, modify payment configurations, or access sensitive payment information without proper authentication. The implications are particularly severe in e-commerce environments where payment processing is critical, as this could lead to direct financial losses, compliance violations, and reputational damage. The vulnerability affects not just individual transactions but could potentially allow attackers to modify core payment processing parameters that control how payments are handled within the WooCommerce platform.
Security professionals should immediately implement mitigation strategies including updating to version 1.9.2 or later of the Stripe Payments For WooCommerce plugin, which contains the necessary patches to address the authorization bypass mechanism. Additionally, administrators should review and implement proper input validation and sanitization measures within their payment processing workflows. Network monitoring should be enhanced to detect unusual patterns in payment processing requests that might indicate exploitation attempts. The vulnerability aligns with ATT&CK technique T1078.004 which covers valid accounts with elevated privileges, as the flaw essentially allows unauthorized users to gain elevated access through manipulated key parameters. Organizations should also consider implementing additional layers of authentication and authorization controls, including multi-factor authentication for payment processing functions and regular security audits of payment plugin configurations to prevent similar vulnerabilities from emerging in other components of their e-commerce infrastructure.