CVE-2022-34868 in ЮKassa для WooCommerce Plugin
Summary
by MITRE • 08/23/2022
Authenticated Arbitrary Settings Update vulnerability in YooMoney ?Kassa ??? WooCommerce plugin <= 2.3.0 at WordPress.
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Analysis
by VulDB Data Team • 09/25/2022
The CVE-2022-34868 vulnerability represents a critical authenticated arbitrary settings update flaw discovered in the YooMoney Kassa WooCommerce plugin version 2.3.0 and earlier. This vulnerability exists within the WordPress ecosystem and specifically targets the e-commerce functionality of online stores using the YooMoney payment gateway integration. The issue stems from insufficient authorization checks and input validation mechanisms within the plugin's administrative settings update functionality, allowing authenticated users with minimal privileges to manipulate critical system configurations.
The technical implementation of this vulnerability occurs through improper access control validation within the plugin's settings management code. When administrators or users with appropriate permissions attempt to update plugin configurations, the system fails to adequately verify whether the requesting user possesses sufficient privileges to modify specific settings. This weakness enables attackers who have gained access to lower-privilege accounts to escalate their privileges and modify core payment processing parameters, including but not limited to API credentials, transaction limits, and payment method configurations.
From an operational impact perspective, this vulnerability poses significant risks to e-commerce platforms utilizing the affected plugin. Attackers could potentially redirect payment processing to malicious endpoints, manipulate transaction amounts, or disable critical payment features entirely. The vulnerability's authenticated nature means that it requires an existing user account with access to the WordPress admin interface, but does not necessitate administrative privileges, making it particularly dangerous in environments where multiple user roles exist. The implications extend beyond immediate financial losses to include potential data breaches, compliance violations, and reputational damage for affected businesses.
The vulnerability aligns with CWE-285, which addresses insufficient authorization issues in software systems, and maps to ATT&CK technique T1078.004, which covers valid accounts with the use of stolen credentials. Organizations should prioritize immediate patching of the YooMoney Kassa plugin to version 2.3.1 or later, which includes proper authorization checks and input sanitization. Additionally, implementing role-based access controls, monitoring user activities, and conducting regular security audits of WordPress plugins can help prevent exploitation. Network segmentation and limiting administrative access to critical systems provide additional defense-in-depth measures. The vulnerability demonstrates the importance of thorough security testing for third-party plugins and the necessity of maintaining up-to-date software components to protect against known exploits in the WordPress ecosystem.