CVE-2024-1954 in Oliver POS Plugin
Summary
by MITRE • 02/28/2024
The Oliver POS – A WooCommerce Point of Sale (POS) plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.4.1.8. This is due to missing or incorrect nonce validation in the includes/class-pos-bridge-install.php file. This makes it possible for unauthenticated attackers to perform several unauthorized actions like deactivating the plugin, disconnecting the subscription, syncing the status and more via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
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Analysis
by VulDB Data Team • 04/12/2026
The vulnerability identified as CVE-2024-1954 affects the Oliver POS plugin for WooCommerce, a popular point of sale solution integrated with WordPress. This plugin enables merchants to manage their retail operations through a WordPress environment, creating a bridge between traditional point of sale systems and e-commerce functionality. The security flaw resides in the plugin's handling of cross-site request forgery protection mechanisms, specifically within the includes/class-pos-bridge-install.php file where nonce validation is either missing or improperly implemented. This represents a critical weakness in the plugin's security architecture that could compromise the integrity and availability of the affected WordPress installations.
The technical implementation of this vulnerability stems from the absence of proper nonce validation in the plugin's administrative functions. Nonces serve as one-time tokens that verify the authenticity of requests and prevent unauthorized operations from being executed on behalf of authenticated users. When an attacker crafts a malicious request that targets the plugin's administrative endpoints, the lack of nonce validation allows the forged request to appear legitimate to the WordPress system. This flaw maps directly to CWE-352, which defines Cross-Site Request Forgery as a vulnerability where an attacker can trick a victim into executing unintended actions on a web application. The vulnerability specifically impacts the plugin's ability to maintain secure administrative operations, creating a pathway for unauthorized modifications to the plugin's configuration and functionality.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass potential system compromise and business disruption. An attacker who successfully exploits this vulnerability can perform multiple destructive actions including deactivating the plugin entirely, disconnecting legitimate subscriptions that provide ongoing service access, and synchronizing system status information in ways that could mislead administrators. These actions could result in service interruptions, loss of critical retail data, and potential exposure of sensitive business information. The vulnerability is particularly dangerous because it requires minimal user interaction from the administrator beyond clicking on a malicious link, making it a prime target for social engineering attacks that leverage the trust administrators place in routine web browsing activities. The attack vector aligns with ATT&CK technique T1566, which describes social engineering tactics that manipulate users into performing actions that compromise security.
Mitigation strategies for this vulnerability should focus on immediate remediation through plugin updates to versions that properly implement nonce validation. Administrators should also implement additional security measures including network-level protections such as web application firewalls that can detect and block suspicious request patterns, and regular monitoring of plugin administrative activities for unauthorized changes. The implementation of role-based access controls and multi-factor authentication for administrative accounts provides additional defense layers. Organizations should also conduct comprehensive security audits of their WordPress installations to identify other potentially vulnerable plugins or themes, as this vulnerability demonstrates the importance of proper input validation and authentication mechanisms in WordPress ecosystem components. Regular security updates and patch management processes should be prioritized to prevent similar vulnerabilities from being exploited in the future.